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Bitcoin Fullnode Install Guide for Dummies ;-)

Bitcoin Fullnode Install Guide for Dummies ;-)
Feel free to stop at Level 0 or Level 1, which is fine. More advanced configs are offered to those with more tech savvy. This guide, obviously assumes a Windows 10 install, but other OSes work fine, just find a different guide. BTW, the "For Dummies" is a callback to a set of "tech" books in the 90's intended to be as easy as possible. It is in jest and not intended to insult the reader. Finally, if you dislike the formatting, a well formatted copy can be found here
There is a fairly small subset of Bitcoin users that run a full node. I think the idea of running a full node has gotten a bad rap over the years since there is so much talk about running on a Raspberry Pi, or getting zippy SSDs. Although all of this can be fun, it is often not really required at all. Here are some ways to run a full node starting with the very simple. I'll get into more complex configs, but these are all optional.

Tech Skill Level: 0 (the basics)

  1. Download Bitcoin Core
  2. Launch the downloaded installer and install the app
  3. Launch the installed "Bitcoin Core" app and let it run overnight
In many cases, thats it. If your running a new machine with a fairly good internet connection, 8 or 9 hours will be enough to complete the "Initial Block Download" (IBD). This may fill up your drive a bit, but again, on most new machines, 300 GB of space isn't that hard to come by.

Tech Skill Level: 1 (encrypted wallet)

One thing we left out in the level-0 exercise is encrypting your wallet. It's easy enough to do well, but a bit more difficult to do right. The main challenge is that humans generate really poor passwords. If you want a good password, the best way is to use something called "diceware". Basically, you just grab 4 or 5 dice and each throw of the dice represents a certain word on a special list. The throw {1,4,5,3,1} for example would be the word camping on the EFF-diceware-wordlist. So you repeat this a few times until you have a list of 8 or so words which becomes the passphrase you use to encrypt your wallet. Write it down, it is always hard to remember at first. So at level-1 your list becomes:
  1. Download Bitcoin Core
  2. Launch the downloaded installer and install the app
  3. Launch the installed "Bitcoin Core" app and let it run overnight
  4. Choose Encrypt Wallet from the Settings menu
  5. Enter your 8 word (or so) passphrase generated using the Diceware method

Wallet Encryption Dialog

Tech Skill Level: 2 (enable pruning if needed)

Though I said "300 GB of space isn't hard to come by", some times it actually is. If space is an issue, a simple way to fix it is to tell bitcoin to simple take less space. This is called "pruning" and can take that number from 300 GB down to below 5 GB. If you can't find 5 GB, then you'll have to read ahead to level-4 to add USB storage. But the good news is, enabling pruning is pretty easy, we just add another step to our working list:
  1. Download Bitcoin Core
  2. Launch the downloaded installer and install the app
  3. Launch the installed "Bitcoin Core" app and let it run overnight
  4. Do the wallet encryption steps here if you wish
  5. Choose Options from the Settings menu
  6. Choose Prune block storage to: and select the max size for the blocks to use
  7. Exit and restart the bitcoin application for the changes to take effect

Pruning Dialog
Note, even setting this to 1 GB will still leave you with about a 4.5 GB install. The blocks take up a lot of space, but the chainstate and other folders eat up at least 3.5 GB and they can't be pruned. Also, be aware, to disable pruning requires you to perform the entire IBD again. While pruned some other functions my be disabled as well, so just know that pruning does limit some functionality.

Tech Skill Level: 3 (verify the installer)

Although this is arguably something that should be done at level-0, some find the intricacies of comparing hash (thumbprint) values to be tedious and beyond the scope of a beginner. You will find these types of hash compares suggested quite often as a way to prevent running tainted programs. Programs are often tainted by bad disk or network performance, but most often, taint is malicious code inserted by viruses or malware. This is a way to guard yourself against those types of attacks.
What I cover here is a very basic comparison on the certificate, but a more thorough verification advised by mosts uses a program called Gpg4Win, and is beyond the scope of this beginners guide. But regardless, most users should strive to do this minimum level of validation.
  1. Download Bitcoin Core
  2. Launch the downloaded installer
  3. When prompted "Do you want to allow..." click Show more details
  4. In the details section select Show information about the publisher's certificate
  5. In the certificate window select the Details tab
  6. In the Details tab Subject should start with "CN = Bitcoin Core Code Signing Association"
  7. Ensure Thumbprint in Details reads ea27d3cefb3eb715ed214176a5d027e01ba1ee86
  8. If the checks pass, click OK to exit the certificate window and Yes to allow the installer to run.
  9. Launch the installed "Bitcoin Core" app and let it run overnight
  10. Do the wallet encryption steps here if you wish
  11. Do the optional pruning steps here if you wish

Certification Validation Windows
Note: The certificate used to sign the current Bitcoin installer is only valid from March 2020 to March 2021. After that point the thumbprint on the certificate will change. This is by design and intentional. If your reading this post after March 2021, then it is understood that the thumbprint has changed.

Tech Skill Level: 4 (use secondary storage)

We glossed over the "new machine with fairly good internet" part. Truth be known many people do not have fairly new machines, and find the IBD to take longer than the "over night" best wishes. For most people the slowdown is the disk access when calculating what is called chainstate. This requires fast random reads and writes to the disk. If you have an SSD disk, this will be no problem, but if you have a non-SSD "spinning" disk, random writes are always slow. Though an SSD will speed things up, they are pricey, so a nice middle ground may be a simple high-end USB key drive. You can get some with 10 to 15 MB/s random writes for $20 on Amazon. This is usually a order of magnitude faster than a "spinning" disk. And with pruning (see level-2), a small USB drive should be fine.
Once you decide on a drive, the tricky part will be to enable external storage. It requires editing a configuration file and adding a line. First, we want to create a directory on the key drive. You will need to determine the drive letter of your USB key drive. For the sake of this example, we will assume it is D:, but you must determine this yourself and correct the example. Once you know the drive letter, create a blank folder on the drive called Bitcoin. So for this example, creating Bitcoin on drive D: will create the path D:\Bitcoin. Once done, assuming that D: is your drive, here are the new steps including the edit of the configuration file:
  1. Download Bitcoin Core
  2. Launch the installer, verify it, then run it
  3. Launch the installed "Bitcoin Core" app and let it run overnight
  4. Do the wallet encryption steps here if you wish
  5. Do the optional pruning steps here if you wish
  6. Launch "Notepad" by typing "Notepad.exe" in the windows search bar then click Open
  7. Type the line datadir=D:\Bitcoin (depending on your drive letter) in the blank file
  8. Choose Save from the File menu in notepad
  9. Type %APPDATA%\Bitcoin\bitcoin.conf (note the percent signs) in the File name box
  10. Select All Files from the Save as type dropdown
  11. Click the Save button and overwrite the file if prompted
  12. Exit and restart the bitcoin application for the changes to take effect

Save As Dialog
Now that you've reached this level of technical expertise, there are many new configuration options that you can begin to modify if you wish. Most configuration data is contained in the bitcoin.conf file and learning how to maintain it is a key step for a node operator.

Tech Skill Level: 5 (all other customizations)

Here's a short list of various things you can ADD to your bitcoin.conf file. You generally just add a new line for each configuration settings.
  • addresstype=bech32
  • changetype=bech32
The addresstype / changetype allows your wallet to use the native-segwit (bech32) format. This is the most efficient and inexpensive way to spend bitcoin, and is a recommended configuration. The default uses something called p2sh-segwit which is more compatible with older wallets, but more expensive to spend.
  • minrelaytxfee=0.00000011
Changing the minrelaytxfee setting allows you to help propagate lower fee transactions. It will require more memory but TXN memory is capped at 300 MB by default anyways, so if you have enough memory, it is a good setting to choose.
  • dbcache=2048
The dbcache setting controls how many MB of memory the program will use for the chainstate database. Since this is a key bottleneck in the IBD, setting this value high (2048 MB) will greatly speed up the IBD, assuming you have the memory to spare
  • blocksdir=C:\Bitcoin
  • datadir=D:\Bitcoin
In level-4 we discussed moving the datadir to a fast external storage, but the majority of the space used for bitcoin is the blocks directory (blocksdir). Although you should always use for fastest storage for datadir, you are free to use slow storage for blocksdir. So if you only want to consume a small amount of your SSD (assumed D:) then you can keep your blocks on your slow "spinning" drive.
  • upnp=1
One of the harder challenges you may face running a node, is to get incoming connections. If you are lucky, you may find that your firewall and network HW support the uPnP protocol. If they do, this setting will allow bitcoin to configure uPnP to allow incoming connections to your node. Other methods exist to make your node reachable, but they are well beyond the scope of this guide.
submitted by brianddk to Bitcoin [link] [comments]

Windows / Linux Guide to using Trezor with Bitcoin Core (HWI)

This is a guide to using your Trezor with Bitcoin Core. It may seem like more trouble than it's worth but many applications use Bitcoin Core as a wallet such as LND, EPS, and JoinMarket. Learning how to integrate your Trezor into a Bitcoin Core install is rather useful in many unexpected ways. I did this all through the QT interfaces, but it's simple to script. There is a much simpler guide available from the HWI github, and the smallest Linux TLDR is here
Unfortunately, I don't have access to a Coldcard or Ledger. I'm not sure how the setpin or -stdinpass parameters are handled on that HW.

( A ) Install TrezorCTL, HWI, and build GUI

You only need to set the wallet up once, but may repeat to upgrade

( A.I ) Download extract and install HWI

  1. Download and isntall Python
  2. Download https://github.com/bitcoin-core/HWI/archive/1.1.2.zip
  3. Extract it to a working folder (assumes C:\User\Reddit\src\HWI)
  4. Change Directory (cd) to working folder cd "C:\User\Reddit\src\HWI"
  5. Setup venv python -m venv .venv
  6. Enter venv .venv\Scripts\activate.bat 1
  7. Install dependencies python -m pip install -U setuptools pip wheel
  8. Install TrezorCTL python -m pip install trezor[hidapi]
  9. Install HWI python -m pip install hwi pyside2
  10. Download github.com/libusb/libusb/releases/download/v1.0.23/libusb-1.0.23.7z
  11. Extract MS64\dll\libusb-1.0.dll from the archive
  12. Copy to pywin copy libusb-1.0.dll .venv\Lib\site-packages\pywin32_system32\

( A.II ) Build the QT UI files

  1. Download and install MSYS2
  2. Launch a mingw64.exe shell
  3. CD to working folder cd "C:\User\Reddit\src\HWI"
  4. Enter venv source .venv/Scripts/activate 1
  5. Run UI build bash contrib/generate-ui.sh

( B ) Create a Trezor wallet in Bitcoin Core (testnet)

You only need to set the wallet up once, no private key data is stored, only xpub data

( B.I ) Retrieve keypool from HWI-QT

  1. Launch hwi-qt.exe --testnet (assuming testnet)
  2. Click Set passphrase (if needed) to cache your passphrase then click Refresh
  3. Select you trezor from the list then click Set Pin (if needed)
  4. Ensure your Trezor in the dropdown has a fingerprint
  5. Select Change keypool options and choose P2WPKH
  6. Copy all the text from the Keypool textbox

( B.II ) Create the wallet in Bitcoin QT

  1. Launch Bitcoin Core (testnet) (non-pruned) 2
  2. Select Console from the Window menu
  3. Create a wallet createwallet "hwi" true
  4. Ensure that hwi is selected in the console wallet dropdown
  5. Verify walletname using the getwalletinfo command
  6. Import keypool importmulti '' (note ' caging)
  7. Rescan if TXNs are missing rescanblockchain 3

( C.I ) Grab Tesnet coins

  1. Select the Receive tab in Bitcoin Core (testnet)
  2. Ensure that the Wallet dropdown has hwi selected
  3. Select Create new receiving address and copy address
  4. Google "bitcoin testnet faucet" and visit a few sites
  5. Answer captcha and input your addressed copied from C.I.3

( D ) Spending funds with HWI

This is how you can spend funds in your Trezor using Bitcoin Core (testnet)

( D.I ) Create an unsigned PSBT

  1. Select the Send tab in Bitcoin Core (testnet)
  2. Ensure that the Wallet dropdown has hwi selected
  3. Verify your balance in Watch-only balance
  4. Rescan if balance is wrong (see B.II.7) 3
  5. Craft your TXN as usual, then click Create Unsigned
  6. Copy the PSBT to your clipboard when prompted

( D.II ) Sign your PSBT

  1. In HWI-QT click Sign PSBT
  2. Paste what you copied in D.I.6 in PSBT to Sign field
  3. Click Sign PSBT
  4. Copy the text for PSBT Result

( D.III ) Broadcast your TXN

  1. Select the Console window in Bitcoin Core (testnet)
  2. Ensure that the Wallet dropdown has hwi selected
  3. Finalize PSBT: finalizepsbt
  4. Copy the signed TXN hex from the hex field returned
  5. Broadcast TXN: sendrawtransaction

Final Thoughts

I did this all through the GUI interfaces for the benefit of the Windows users. Windows console is fine, but the quote escaping in windows console is nightmarish. Powershell would be good, but that throws this on a whole another level for most Windows folks.
There is also the need to use HWI-QT due to a bug in blank passphrases on the commandline. You can work around it by toggling passphrase off or on, but again, it's more than I wanted to spell out.
Footnotes:
  • 1. - Later version of python put the activate script under 'bin' instead of 'Script'
  • 2. - You can run pruned, but you need to have a fresh wallet
  • 3. - Rescan is automatic on 'importmulti' but I was pruned so it was wierd
submitted by brianddk to Bitcoin [link] [comments]

Windows Guide to using Trezor with Bitcoin Core (HWI)

This is a guide to using your Trezor with Bitcoin Core. It may seem like more trouble than it's worth but many applications use Bitcoin Core as a wallet such as LND, EPS, and JoinMarket. Learning how to integrate your Trezor into a Bitcoin Core install is rather useful in many unexpected ways. I did this all through the QT interfaces, but it's simple to script. There is a much simpler guide available from the HWI github, and the smallest TLDR is here

( A ) Install TrezorCTL, HWI, and build GUI

You only need to set the wallet up once, but may repeat to upgrade

( A.I ) Download extract and install HWI

  1. Download and isntall Python
  2. Download https://github.com/bitcoin-core/HWI/archive/1.1.2.zip
  3. Extract it to a working folder (assumes C:\User\Reddit\src\HWI)
  4. Change Directory (cd) to working folder cd "C:\User\Reddit\src\HWI"
  5. Setup venv python -m venv .venv
  6. Enter venv .venv\Scripts\activate.bat 1
  7. Install dependencies python -m pip install -U setuptools pip wheel
  8. Install TrezorCTL python -m pip install trezor[hidapi]
  9. Install HWI python -m pip install hwi pyside2
  10. Download github.com/libusb/libusb/releases/download/v1.0.23/libusb-1.0.23.7z
  11. Extract MS64\dll\libusb-1.0.dll from the archive
  12. Copy to pywin copy libusb-1.0.dll .venv\Lib\site-packages\pywin32_system32\

( A.II ) Build the QT UI files

  1. Download and install MSYS2
  2. Launch a mingw64.exe
  3. CD to working folder cd "C:\User\Reddit\src\HWI"
  4. Enter venv source .venv/Scripts/activate 1
  5. Run UI build bash contrib/generate-ui.sh

( B ) Create a Trezor wallet in Bitcoin Core (testnet)

You only need to set the wallet up once, no private key data is stored, only xpub data

( B.I ) Retrieve keypool from HWI-QT

  1. Launch hwi-qt.exe --testnet (assuming testnet)
  2. Click Set passphrase (if needed) to cache your passphrase then click Refresh
  3. Select you trezor from the list then click Set Pin (if needed)
  4. Ensure your Trezor in the dropdown has a fingerprint
  5. Select Change keypool options and choose P2WPKH
  6. Copy all the text from the Keypool textbox

( B.II ) Create the wallet in Bitcoin QT

  1. Launch Bitcoin Core (testnet) (non-pruned) 2
  2. Select Console from the Window menu
  3. Create a wallet createwallet "hwi" true
  4. Ensure that hwi is selected in the console wallet dropdown
  5. Verify walletname using the getwalletinfo command
  6. Import keypool importmulti '' (note ' caging)
  7. Rescan if TXNs are missing rescanblockchain 3

( C.I ) Grab Tesnet coins

  1. Select the Receive tab in Bitcoin Core (testnet)
  2. Ensure that the Wallet dropdown has hwi selected
  3. Select Create new receiving address and copy address
  4. Google "bitcoin testnet faucet" and visit a few sites
  5. Answer captcha and input your addressed copied from C.I.3

( D ) Spending funds with HWI

This is how you can spend funds in your Trezor using Bitcoin Core (testnet)

( D.I ) Create an unsigned PSBT

  1. Select the Send tab in Bitcoin Core (testnet)
  2. Ensure that the Wallet dropdown has hwi selected
  3. Verify your balance in Watch-only balance
  4. Rescan if balance is wrong (see B.II.7) 3
  5. Craft your TXN as usual, then click Create Unsigned
  6. Copy the PSBT to your clipboard when prompted

( D.II ) Sign your PSBT

  1. In HWI-QT click Sign PSBT
  2. Paste what you copied in D.I.6 in PSBT to Sign field
  3. Click Sign PSBT
  4. Copy the text for PSBT Result

( D.III ) Broadcast your TXN

  1. Select the Console window in Bitcoin Core (testnet)
  2. Ensure that the Wallet dropdown has hwi selected
  3. Finalize PSBT: finalizepsbt
  4. Copy the signed TXN hex from the hex field returned
  5. Broadcast TXN: sendrawtransaction

Final Thoughts

I did this all through the GUI interfaces for the benefit of the Windows users. Windows console is fine, but the quote escaping in windows console is nightmarish. Powershell would be good, but that throws this on a whole another level for most Windows folks.
There is also the need to use HWI-QT due to a bug in blank passphrases on the commandline. You can work around it by toggling passphrase off or on, but again, it's more than I wanted to spell out.
Footnotes:
  • 1. - Later version of python put the activate script under 'bin' instead of 'Script'
  • 2. - You can run pruned, but you need to have a fresh wallet
  • 3. - Rescan is automatic on 'importmulti' but I was pruned so it was wierd
submitted by brianddk to TREZOR [link] [comments]

Test

Test
There is a fairly small subset of Bitcoin users that run a full node. I think the idea of running a full node has gotten a bad rap over the years since there is so much talk about running on a Raspberry Pi, or getting zippy SSDs. Although all of this can be fun, it is often not really required at all. Here are some ways to run a full node starting with the very simple. I'll get into more complex configs, but these are all optional.

Tech Skill Level: 0 (the basics)

  1. Download Bitcoin Core
  2. Launch the downloaded installer and install the app
  3. Launch the installed "Bitcoin Core" app and let it run overnight
In many cases, thats it. If your running a new machine with a fairly good internet connection, 8 or 9 hours will be enough to complete the "Initial Block Download" (IBD). This may fill up your drive a bit, but again, on most new machines, 300 GB of space isn't that hard to come by.

Tech Skill Level: 1 (encrypted wallet)

One thing we left out in the level-0 exercise is encrypting your wallet. It's easy enough to do well, but a bit more difficult to do right. The main challenge is that humans generate really poor passwords. If you want a good password, the best way is to use something called "diceware". Basically, you just grab 4 or 5 dice and each throw of the dice represents a certain word on a special list. The throw {1,4,5,3,1} for example would be the word camping on the EFF-diceware-wordlist. So you repeat this a few times until you have a list of 8 or so words which becomes the passphrase you use to encrypt your wallet. Write it down, it is always hard to remember at first. So at level-1 your list becomes:
  1. Download Bitcoin Core
  2. Launch the downloaded installer and install the app
  3. Launch the installed "Bitcoin Core" app and let it run overnight
  4. Choose Encrypt Wallet from the Settings Menu
  5. Enter your 8 word (or so) passphrase generated using the Diceware method

Wallet Encryption Dialog

Tech Skill Level: 2 (enable pruning if needed)

Though I said "300 GB of space isn't hard to come by", some times it actually is. If space is an issue, a simple way to fix it is to tell bitcoin to simple take less space. This is called "pruning" and can take that number from 300 GB down to below 5 GB. If you can't find 5 GB, then you'll have to read ahead to level-3 to add USB storage. But the good news is, enabling pruning is pretty easy, we just add another step to our working list:
  1. Download Bitcoin Core
  2. Launch the downloaded installer and install the app
  3. Launch the installed "Bitcoin Core" app and let it run overnight
  4. Do the wallet encryption steps here if you wish
  5. Choose Options from the Settings Menu
  6. Choose Prune block storage to: and select the max size for the blocks to use
  7. Exit and restart the bitcoin application for the changes to take effect

Pruning Dialog
Note, even setting this to 1 GB will still leave you with about a 4.5 GB install. The blocks take up a lot of space, but the chainstate and other folders eat up at least 3.5 GB and they can't be pruned. Also, be aware, to disable pruning requires you to perform the entire IBD again. While pruned some other functions my be disabled as well, so just know that pruning does limit some functionality.

Tech Skill Level: 3 (verify the installer)

Although this is arguably something that should be done at level-0, some find the intricacies of comparing hash (thumbprint) values to be tedious and beyond the scope of a beginner. You will find these types of hash compares suggested quite often as a way to prevent running tainted programs. Programs are often tainted by bad disk or network performance, but most often, taint is malicious code inserted by viruses or malware. This is a way to guard yourself against those types of attacks. What I cover here is a very basic comparison on the certificate, but a more thorough comparison advised by mosts uses a program called Gpg4Win, and is beyond the scope of this beginners guide. But regardless, most users should strive to do this minimum level of validation.
  1. Download Bitcoin Core
  2. Launch the downloaded installer
  3. When prompted "Do you want to allow..." click Show more details
  4. In the details section select Show information about the publisher's certificate
  5. In the certificate window select the Details tab
  6. In the Details tab Subject should start with "CN = Bitcoin Core Code Signing Association"
  7. Also ensure Thumbprint reads ea27d3cefb3eb715ed214176a5d027e01ba1ee86
  8. If the checks pass, click OK to exit the certificate window and Yes to allow the installer to run.
  9. Launch the installed "Bitcoin Core" app and let it run overnight
  10. Do the wallet encryption steps here if you wish
  11. Do the optional pruning steps here if you wish

Certification Validation Windows
Note: The certificate used to sign the current Bitcoin installer is only valid from March 2020 to March 2021. After that point the thumbprint on the certificate will change. This is by design and intentional. If your reading this post after March 2021, then it is understood that the thumbprint has changed.

Tech Skill Level: 4 (use secondary storage)

We glossed over the "new machine with fairly good internet" part. Truth me known many people do not have fairly new machines, and find the IBD to take longer than the "over night" best wishes. For most people the slowdown is the disk access when calculating what is called chainstate. This requires fast random reads and writes to the disk. If you have an SSD disk, this will be no problem, but if you have a non-SSD "spinning" disk, random writes are always slow. Though an SSD will speed things up, they are pricey, so a nice middle ground may be a simple high-end USB key drive. You can get some with 10 to 15 MB/s random writes which is usually a order of magnitude faster than a "spinning" disk. And with pruning (see level-2), a small USB drive should be fine.
Once you decide on a drive, the tricky part will be to enable external storage. It requires editing a configuration file and adding a few lines. The configuration file needs to be in both the default directory, and USB key drive, but before we do that, we want to create a directory on the key drive. You will need to determine the drive letter of your USB key drive. For the sake of this example, we will assume it is D:, but you must determine this yourself and correct the example. Once you know the drive letter, create a blank folder on the drive called Bitcoin. So for this example, creating Bitcoin on drive D: will create the path D:\Bitcoin. Once done, assuming that D: is your drive, here are the steps to edit the two configuration files:
  1. Download Bitcoin Core
  2. Launch the installer, verify it, then run it
  3. Launch the installed "Bitcoin Core" app and let it run overnight
  4. Do the wallet encryption steps here if you wish
  5. Do the optional pruning steps here if you wish
  6. Launch "Notepad" by typing "Notepad.exe" in the windows search bar then click Open
  7. Type the line datadir=D:\Bitcoin (depending on your drive letter) in the blank file
  8. Choose Save from the File menu in notepad
  9. Type %APPDATA%\Bitcoin\bitcoin.conf (note the percent signs) in the File name box
  10. Select All Files from the Save as type dropdown
  11. Click the Save button and overwrite the file if prompted
  12. Exit and restart the bitcoin application for the changes to take effect

Save As Dialog
Now that you've reached this level of technical expertise, there are many new configuration options that you can begin to modify if you wish. Most configuration data is contained in the bitcoin.conf file and learning how to maintain it is a key step for a node operator.

Tech Skill Level: 5 (all other customizations)

Here's a short list of various things you can ADD to your bitcoin.conf file. You generally just add a new line for each configuration settings.
  • addresstype=bech32
  • changetype=bech32
The addresstype / changetype allows your wallet to use the native-segwit (bech32) format. This is the most efficient and inexpensive way to spend bitcoin, and is a recommended configuration. The default uses something called p2sh-segwit which is more compatible with older wallets, but more expensive to spend.
  • minrelaytxfee=0.00000011
Changing the minrelaytxfee setting allows you to help propagate lower fee transactions. It will require more memory but TXN memory is capped at 300 MB by default anyways, so if you have enough memory, it is a good setting to choose.
  • dbcache=2048
The dbcache setting controls how many MB of memory the program will use for the chainstate database. Since this is a key bottleneck in the IBD, setting this value high (2048 MB) will greatly speed up the IBD, assuming you have the memory to spare
  • blocksdir=C:\Bitcoin
  • datadir=D:\Bitcoin
In level-4 we discussed moving the datadir to a fast external storage, but the majority of the space used for bitcoin is the blocks directory (blocksdir). Although you should always use for fastest storage for datadir, you are free to use slow storage for blocksdir. So if you only want to consume a small amount of your SSD (assumed D:) then you can keep your blocks on your slow "spinning" drive.
  • upnp=1
One of the harder challenges you may face running a node, is to get incoming connections. If you are lucky, you may find that your firewall and network HW support the uPnP protocol. If they do, this setting will allow bitcoin to configure uPnP to allow incoming connections to your node.
submitted by brianddk to brianddk [link] [comments]

Fitgirl Assassins Creed Origins install bitcoin miner causing high cpu usage when Task Manager is not running

Fitgirl Assassins Creed Origins install bitcoin miner causing high cpu usage when Task Manager is not running
Hello,I downloaded Assasins creed origins today from this site: fitgirl-repacks dot site And something feels odd when I exit the game, my CPU is running at roughly 60%, and as soon as I open task manager it would go back to normal. I ran malwarebytes and it found 2 suspicious items and removed them, but the problem continue, so I started to investigate manually. So I start up Performance Monitor and check which process would shoot up as soon as I close Task Manager. This is what I found. SoundModule. I open up Task Manager, and found 2 running process of this, I open their location and found them at AppData\Roaming\Microsoft\SoundModule.
I quickly look these up, they do not belong to microsoft and won't trigger any antivirus or malwarebytes, I killed those process and deleted them which solved the problem for me. Hopefully this post will help someone in the future.
For more details regarding this "SoundModule" https://www.anti-malware.name/removal-guide/remove-soundmodule-exe/
I started the game again after that and the "soundmodule" executable or process did not get recreated.
If you pirate a game, make sure you check on your CPU usage to see if there is an suspicious thing going on. In my case, I only realized that something is running on my cpu due to CoreTemp, because I would see the temperature be at 60 to 70 degree Celsius, while my normal idle temp is usually only at 40 to 60, and as soon as I start Task manager, the temperature did drop back to 40ish.
https://preview.redd.it/p0tdcjf4vpm41.png?width=1576&format=png&auto=webp&s=f20dfabcc39a685e86e66ee4a9fc33604396de4d
I have ran the script to verify bins a few times before installing cause it didnt seem to do anything to me. Installed the game and had the cpu issue.
P.S. If you don't trust me, that is fine. This post is not for you. I am not here to convince you or trash fitgirl. We are all pirates here, we are all stealing in someway. This post is mainly for someone else that may have this problem in the future.
If anyone have similar issue, and don't know how to find the bitcoin miner in their pc, do not be shy to private message me, I am happy to help. It is very easy for developers to scan for running process and stop work while a given process is opened, thus the miners process will continue to evolve to hide under more and more programs, so it will become very difficult at some point.
UPDATE:
I was contacted by 2 people that have seen this post. 1 person has installed the same package and was not affect. Another person has installed the same package and was affected. Chance is the installer is installing the bitcoin miner based on random number generator.
submitted by relf218 to PiratedGames [link] [comments]

Groestlcoin 6th Anniversary Release

Introduction

Dear Groestlers, it goes without saying that 2020 has been a difficult time for millions of people worldwide. The groestlcoin team would like to take this opportunity to wish everyone our best to everyone coping with the direct and indirect effects of COVID-19. Let it bring out the best in us all and show that collectively, we can conquer anything.
The centralised banks and our national governments are facing unprecedented times with interest rates worldwide dropping to record lows in places. Rest assured that this can only strengthen the fundamentals of all decentralised cryptocurrencies and the vision that was seeded with Satoshi's Bitcoin whitepaper over 10 years ago. Despite everything that has been thrown at us this year, the show must go on and the team will still progress and advance to continue the momentum that we have developed over the past 6 years.
In addition to this, we'd like to remind you all that this is Groestlcoin's 6th Birthday release! In terms of price there have been some crazy highs and lows over the years (with highs of around $2.60 and lows of $0.000077!), but in terms of value– Groestlcoin just keeps getting more valuable! In these uncertain times, one thing remains clear – Groestlcoin will keep going and keep innovating regardless. On with what has been worked on and completed over the past few months.

UPDATED - Groestlcoin Core 2.18.2

This is a major release of Groestlcoin Core with many protocol level improvements and code optimizations, featuring the technical equivalent of Bitcoin v0.18.2 but with Groestlcoin-specific patches. On a general level, most of what is new is a new 'Groestlcoin-wallet' tool which is now distributed alongside Groestlcoin Core's other executables.
NOTE: The 'Account' API has been removed from this version which was typically used in some tip bots. Please ensure you check the release notes from 2.17.2 for details on replacing this functionality.

How to Upgrade?

Windows
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), then run the installer.
OSX
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), run the dmg and drag Groestlcoin Core to Applications.
Ubuntu
http://groestlcoin.org/forum/index.php?topic=441.0

Other Linux

http://groestlcoin.org/forum/index.php?topic=97.0

Download

Download the Windows Installer (64 bit) here
Download the Windows Installer (32 bit) here
Download the Windows binaries (64 bit) here
Download the Windows binaries (32 bit) here
Download the OSX Installer here
Download the OSX binaries here
Download the Linux binaries (64 bit) here
Download the Linux binaries (32 bit) here
Download the ARM Linux binaries (64 bit) here
Download the ARM Linux binaries (32 bit) here

Source

ALL NEW - Groestlcoin Moonshine iOS/Android Wallet

Built with React Native, Moonshine utilizes Electrum-GRS's JSON-RPC methods to interact with the Groestlcoin network.
GRS Moonshine's intended use is as a hot wallet. Meaning, your keys are only as safe as the device you install this wallet on. As with any hot wallet, please ensure that you keep only a small, responsible amount of Groestlcoin on it at any given time.

Features

Download

iOS
Android

Source

ALL NEW! – HODL GRS Android Wallet

HODL GRS connects directly to the Groestlcoin network using SPV mode and doesn't rely on servers that can be hacked or disabled.
HODL GRS utilizes AES hardware encryption, app sandboxing, and the latest security features to protect users from malware, browser security holes, and even physical theft. Private keys are stored only in the secure enclave of the user's phone, inaccessible to anyone other than the user.
Simplicity and ease-of-use is the core design principle of HODL GRS. A simple recovery phrase (which we call a Backup Recovery Key) is all that is needed to restore the user's wallet if they ever lose or replace their device. HODL GRS is deterministic, which means the user's balance and transaction history can be recovered just from the backup recovery key.

Features

Download

Main Release (Main Net)
Testnet Release

Source

ALL NEW! – GroestlcoinSeed Savior

Groestlcoin Seed Savior is a tool for recovering BIP39 seed phrases.
This tool is meant to help users with recovering a slightly incorrect Groestlcoin mnemonic phrase (AKA backup or seed). You can enter an existing BIP39 mnemonic and get derived addresses in various formats.
To find out if one of the suggested addresses is the right one, you can click on the suggested address to check the address' transaction history on a block explorer.

Features

Live Version (Not Recommended)

https://www.groestlcoin.org/recovery/

Download

https://github.com/Groestlcoin/mnemonic-recovery/archive/master.zip

Source

ALL NEW! – Vanity Search Vanity Address Generator

NOTE: NVidia GPU or any CPU only. AMD graphics cards will not work with this address generator.
VanitySearch is a command-line Segwit-capable vanity Groestlcoin address generator. Add unique flair when you tell people to send Groestlcoin. Alternatively, VanitySearch can be used to generate random addresses offline.
If you're tired of the random, cryptic addresses generated by regular groestlcoin clients, then VanitySearch is the right choice for you to create a more personalized address.
VanitySearch is a groestlcoin address prefix finder. If you want to generate safe private keys, use the -s option to enter your passphrase which will be used for generating a base key as for BIP38 standard (VanitySearch.exe -s "My PassPhrase" FXPref). You can also use VanitySearch.exe -ps "My PassPhrase" which will add a crypto secure seed to your passphrase.
VanitySearch may not compute a good grid size for your GPU, so try different values using -g option in order to get the best performances. If you want to use GPUs and CPUs together, you may have best performances by keeping one CPU core for handling GPU(s)/CPU exchanges (use -t option to set the number of CPU threads).

Features

Usage

https://github.com/Groestlcoin/VanitySearch#usage

Download

Source

ALL NEW! – Groestlcoin EasyVanity 2020

Groestlcoin EasyVanity 2020 is a windows app built from the ground-up and makes it easier than ever before to create your very own bespoke bech32 address(es) when whilst not connected to the internet.
If you're tired of the random, cryptic bech32 addresses generated by regular Groestlcoin clients, then Groestlcoin EasyVanity2020 is the right choice for you to create a more personalised bech32 address. This 2020 version uses the new VanitySearch to generate not only legacy addresses (F prefix) but also Bech32 addresses (grs1 prefix).

Features

Download

Source

Remastered! – Groestlcoin WPF Desktop Wallet (v2.19.0.18)

Groestlcoin WPF is an alternative full node client with optional lightweight 'thin-client' mode based on WPF. Windows Presentation Foundation (WPF) is one of Microsoft's latest approaches to a GUI framework, used with the .NET framework. Its main advantages over the original Groestlcoin client include support for exporting blockchain.dat and including a lite wallet mode.
This wallet was previously deprecated but has been brought back to life with modern standards.

Features

Remastered Improvements

Download

Source

ALL NEW! – BIP39 Key Tool

Groestlcoin BIP39 Key Tool is a GUI interface for generating Groestlcoin public and private keys. It is a standalone tool which can be used offline.

Features

Download

Windows
Linux :
 pip3 install -r requirements.txt python3 bip39\_gui.py 

Source

ALL NEW! – Electrum Personal Server

Groestlcoin Electrum Personal Server aims to make using Electrum Groestlcoin wallet more secure and more private. It makes it easy to connect your Electrum-GRS wallet to your own full node.
It is an implementation of the Electrum-grs server protocol which fulfils the specific need of using the Electrum-grs wallet backed by a full node, but without the heavyweight server backend, for a single user. It allows the user to benefit from all Groestlcoin Core's resource-saving features like pruning, blocks only and disabled txindex. All Electrum-GRS's feature-richness like hardware wallet integration, multi-signature wallets, offline signing, seed recovery phrases, coin control and so on can still be used, but connected only to the user's own full node.
Full node wallets are important in Groestlcoin because they are a big part of what makes the system be trust-less. No longer do people have to trust a financial institution like a bank or PayPal, they can run software on their own computers. If Groestlcoin is digital gold, then a full node wallet is your own personal goldsmith who checks for you that received payments are genuine.
Full node wallets are also important for privacy. Using Electrum-GRS under default configuration requires it to send (hashes of) all your Groestlcoin addresses to some server. That server can then easily spy on your transactions. Full node wallets like Groestlcoin Electrum Personal Server would download the entire blockchain and scan it for the user's own addresses, and therefore don't reveal to anyone else which Groestlcoin addresses they are interested in.
Groestlcoin Electrum Personal Server can also broadcast transactions through Tor which improves privacy by resisting traffic analysis for broadcasted transactions which can link the IP address of the user to the transaction. If enabled this would happen transparently whenever the user simply clicks "Send" on a transaction in Electrum-grs wallet.
Note: Currently Groestlcoin Electrum Personal Server can only accept one connection at a time.

Features

Download

Windows
Linux / OSX (Instructions)

Source

UPDATED – Android Wallet 7.38.1 - Main Net + Test Net

The app allows you to send and receive Groestlcoin on your device using QR codes and URI links.
When using this app, please back up your wallet and email them to yourself! This will save your wallet in a password protected file. Then your coins can be retrieved even if you lose your phone.

Changes

Download

Main Net
Main Net (FDroid)
Test Net

Source

UPDATED – Groestlcoin Sentinel 3.5.06 (Android)

Groestlcoin Sentinel is a great solution for anyone who wants the convenience and utility of a hot wallet for receiving payments directly into their cold storage (or hardware wallets).
Sentinel accepts XPUB's, YPUB'S, ZPUB's and individual Groestlcoin address. Once added you will be able to view balances, view transactions, and (in the case of XPUB's, YPUB's and ZPUB's) deterministically generate addresses for that wallet.
Groestlcoin Sentinel is a fork of Groestlcoin Samourai Wallet with all spending and transaction building code removed.

Changes

Download

Source

UPDATED – P2Pool Test Net

Changes

Download

Pre-Hosted Testnet P2Pool is available via http://testp2pool.groestlcoin.org:21330/static/

Source

submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

Help setting up Bitcoin Core node with Tor hidden service

I am trying to run a full node with Bitcoin Core and get it running as a Tor hidden service but the steps I am following are from many sources and I feel like I have been missing steps in between, not to mention that my technical skills are fairly basic.
Here's where I'm at (Windows):
Can someone please tell me if I've missed something or if I've done it right then how to check that I have?
Thanks!
Update: Currently I have a "work-around" by running tails in a VM and running bitcoin-qt inside that. Because it's a livecd if it gets shutdown for any reason I'd have to set it up each time so I would still like to get the full node running with Tor on Windows.
I am using bitcoin-qt.exe from the Windows installation of Bitcoin Core and using any combination of the network settings to get it to use Tor and it does connect to onion addresses, sometimes one or two and the remaining of the eight are normal nodes.
I can't figure out how to make Bitcoin Core only connect Tor nodes instead of none or a mixture.
Update 2: Instead of using the Tails in a VM workaround, I have the windows Bitcoin Core Node running properly over Tor now. I still have to wait a few days at least to see if I can get more than two incoming connections.
I read in many places that port 8333 had to be opened in order to receive incoming connections but I have been assured that doesn't apply to onion nodes and that checking getnetworkinfo with bitcoin-qt console shows onion as reachable is proof.
There was also an issue with Tor not working with the CookieAuth when that set was added to torrc. Simply CookieAuthFile needed to be added.
I'm adding these notes in case any other windows user has trouble getting their node running with Tor.
SYD4uo was a huge help and I appreciate those others that took the time to give advice. Cheers!
This was also very helpful
submitted by Slayer3608 to Bitcoin [link] [comments]

A Good Pentesting Tools List

Collection of pentesting tools by BrainfuckSec

Anti Forensics Tools
Exploitation Tools
Forensics Tools
Information Gathering
Keyloggers
Maintaining Access
Password Attacks
Reverse Engineering
Sniffing Spoofing
Social Engineering
Vulnerability Analysis
Web Applications
Web Shells
Wireless Attacks
submitted by _brainfuck to Pentesting [link] [comments]

Weekly news review (May 25-31)

Weekly news review (May 25-31)
Howdy, everyone! The Satoshi saga continues... let's take a look!
https://preview.redd.it/4yplulwlh3231.png?width=1200&format=png&auto=webp&s=9a7552df8aa1d7e5c973ea51bd84e7f5f2802c4c

High-end Swiss watchmaker Franck Muller has partnered with alternative assets investing firm Regal Assets to release the bitcoin (BTC) storage watch “Encrypto.”
In addition to being a high-end fashion accessory, with a price ranging from $9,800 to $50,600, the watch reportedly also functions as a cold wallet for BTC. The watch is reported to be engraved with a public address on its dial and comes paired with a private key on a USB drive. According to the firm, the “deep cold storage wallet” is unhackable and uses “offline generated, non-deterministic TRNGs (True Random Numbers Generated).”

United States sanctions incentivized North Korea to launch cyberattacks involving cryptocurrency, a senior FBI official told a conference. The comments were quoted by South Korean English-language news outlet Korea Herald on May 30.
Pyongyang is suspected to be behind several major campaigns involving cryptocurrency ransomware and theft in recent years. These have ranged from global attacks, such as 2017’s WannaCry, to targeted moves against exchanges in South Korea and nearby countries.

A scam and malware campaign is underway on YouTube that uses videos to promote a "bitcoin generator" tool that promises to generate free bitcoins for its users. In reality, this scam is pushing the Qulab information-stealing and clipboard hijacking Trojan.
When executed, the Trojan will copy itself to %AppData%\amd64_microsoft-windows-netio-infrastructure\msaudite.module.exe and launch itself from that location.
If you have been infected with this Trojan, you should immediately change all passwords for your financial accounts and web sites that you visit. As always, you should use a password manager in order to create unique and strong passwords for every account you visit.

In the latest milestone of its renewed bull run, bitcoin (BTC) broke past $9,000 on Thursday, soaring to its highest price point in over a year.
Bitcoin broke the psychological price point of $9,000, hitting a high last seen in early May 2018. In recent days, bitcoin had been comfortably trading in the $8,600-800 range.

Official United States copyright archive data shows that Wei Liu, a Chinese citizen residing in California, claimed copyright to bitcoin’s (BTC) white paper.
In the filing, Liu claims to have published the bitcoin white paper on Jan. 11, 2008, under the pseudonym of Satoshi Nakamoto, with the title “Bitcoin: A Peer-to-Peer Electronic Cash System.” Earlier this month, self-proclaimed Satoshi Craig Wright also filed United States copyright registrations for the same paper and most of the original code used to build bitcoin.

Do you have any thoughts? Let us know in the comments section below ;)
submitted by rokkex to Rokkex [link] [comments]

Fun out-of-the-box web commands for Windows 10

No WSL required; these commands work in the command prompt without any setup whatsoever:
 finger [email protected] - a nice meteogram (also works in XP/Vista/7/8 by default) ssh redditbox.us - a CLI Reddit client ssh netris.rocketnine.space - multiplayer tetris ssh sshtron.zachlatta.com - a multiplayer Tron clone ssh [email protected] - a fun roguelike game ssh [email protected] -p 2222 - guess free minesweeper; Pass: play ssh brow.sh - a CLI internet browser (I haven't been able to click on things unless I'm running it on macOS or Linux) ssh chat.shazow.net - a chat room full of strangers ssh [email protected] - play various games including checkers curl https://tgftp.nws.noaa.gov/data/observations/metastations/KATL.TXT - METAR, replace KATL with any other ICAO curl parrot.live - a cute parrot animation curl https://icanhazdadjoke.com - shitty jokes curl pseudorandom.name - generates a random name curl dict://dict.org/d:computer - dictionary curl 12.io/ip - fetches your IP curl ipinfo.io/8.8.8.8 - fetches your geolocation 
If you enter “reg add HKCU\Console /v VirtualTerminalLevel /t REG_DWORD /d 1” then ANSI escape sequences will format correctly, which allows the following additional commands to output correctly: (and it colors the parrot)
 curl wttr.in/moon - see the current phase of the moon curl http://getnews.tech - see the top headlines curl cheat.sh - the home display for sub commands to programming resources curl cmc.rjldev.com - get coinmarketcap top 100 cryptocurrencies 
If you navigate to "Control panel -> Regional settings -> Administrative tab-> Change system locale" and activate "Beta: Use Unicode UTF-8 for worldwide language support" the following additional curl commands will also output correctly, IF you're using an advanced command line application such as Cmder or the new Windows Terminal:
 curl rate.sx - bitcoin prices curl rate.sx/[email protected] - bitcoin trend graph curl qrenco.de/STRING - replace string and generate a QR code curl wttr.in/cityname - get the weather forecast for your city curl v2.wttr.in/cityname - get a graphical weather forecast for your city 
These commands are now possible on Windows 10 since support for finger, ssh, and curl was added and enabled by default. You can setup a doskey for cmd aliases. Note that curl commands in PowerShell must be entered as curl.exe. There are also some fun telnet game servers as well as the Star Wars Episode IV ASCII movie (alternatively you can watch it with Netcat on port 23, "nc towel.blinkenlights.nl 23" which can be installed with Scoop, also try "nc rya.nc 1987") but the telnet feature must be manually enabled (run "dism /online /Enable-Feature /FeatureName:TelnetClient") and its known for being an insecure protocol. If you still choose to enable it, here's a bitcoin ticker and some fun game servers:
 telnet ticker.bitcointicker.co 10080 telnet freechess.org telnet aardmud.org telnet telehack.com telnet milek7.gq telnet mud.darkerrealms.org 2000 
I'd recommend Scoop as well as Pip (bundled with Python installation, which can be installed through Scoop and includes twitter and term2048) if you enjoyed these commands and would like more. Let me know if there's any commands that I should add to this list, I found most of them here!
submitted by Bondi_Blue to Windows10 [link] [comments]

CypherPoker.JS Guide: Setting Up A Private Home Game

CypherPoker.JS Guide: Setting Up A Private Home Game
Hi everyone,
I've finally put together the first CypherPoker.JS guide that describes how to set up the Services Server (i.e. how to run your own private / home game).
I know that it looks long but most of the content consists of screencaps and much of those simply describe what to look for (as opposed to illustrating how to do something).
I've tried to make it as non-technical and simple as possible but that's from my own skewed perspective so I would greatly appreciate your feedback to help me improve this and future guides:
  • Is something not clear or not fully explained?
  • Did you encounter a problem or gotten stuck?
  • Was something too complex or convoluted (i.e. could it have been explained more succinctly)?
  • Were you expecting something based on a headetitle that turned out to be something different?
Here's the guide, as found on the CypherPoker.JS wiki: https://github.com/monicanagent/cypherpoker.js/wiki/Setting-up-a-private-home-game
This document will guide you through the process of setting up the CypherPoker.JS Services Server to host private home games.

1. Download and unzip the CypherPoker.JS Windows binary

https://preview.redd.it/g5b7eqacbkc31.png?width=1038&format=png&auto=webp&s=678950ec590b9d1d6d28fba5d96d8a09b27c41cb
  • Scroll down to the latest / newest release and download the .zip file ...
https://preview.redd.it/98s0b24gbkc31.png?width=1038&format=png&auto=webp&s=e7cef001f8b5ee9a927d35d3b4bfcc7dc44566a1
... to your desktop.
https://preview.redd.it/oujs2etjbkc31.png?width=781&format=png&auto=webp&s=09d7fdd55238b8a4a27add28826e71c062527732
  • Find the downloaded file on your desktop and unzip it.
https://preview.redd.it/1vyam2upbkc31.png?width=954&format=png&auto=webp&s=a797e2dc8f6125bc90a6e2538451657c7ba8212a

2. Make sure that blockchain functionality is enabled

  • Find the server folder inside the unzipped files. The full path is: ...\Desktop\CypherPokerJS_win64_0.5.1\CypherPokerJS\resources\app\server
https://preview.redd.it/ek2piibtbkc31.png?width=861&format=png&auto=webp&s=e77135f9ba6dd2a3bd6b986589a5b1154a745bb6
  • Using your favourite text editor (e.g. Notepad, Atom, etc.), open the config.json file in the server folder.
https://preview.redd.it/q65fn89wbkc31.png?width=777&format=png&auto=webp&s=876fba9d07877a7bbd2aab6fcf7fef4c47b95809
  • Scroll down to the handlers section and make sure that the "Blockstream API Bitcoin Handler" and "Bitcoin.com API Bitcoin Cash Handler" are enabled ("enabled": true).
    • The "CryptoAPIs Bitcoin Cash Handler". "BlockCypher API Cryptocurrency Handler", "Native Bitcoin Core (bitcoind) Handler", and "Native Bitcoin Cash (bitcoind) Handler" handlers should be disabled ("enabled": false).
https://preview.redd.it/cxxehz5zbkc31.png?width=777&format=png&auto=webp&s=8d5f41d72cc0e39efa2b5b66bfa9c2329b722161

3. Configure the HD wallets

  • Now scroll down to the wallets section. Note the bitcoin, test3, bitcoincash, and bchtest sections; these contain HD wallet information for Bitcoin, Bitcoin testnet (test3), Bitcoin Cash, and Bitcoin Cash testnet respectively. We will update these in the next step.
https://preview.redd.it/wxyzz513ckc31.png?width=807&format=png&auto=webp&s=b15afcb8b106d69057b5a3aa575b2c07ce253115
https://preview.redd.it/n544bib6ckc31.png?width=1180&format=png&auto=webp&s=cd271f6e1348387e4b775a1eb3501c1cbfd72089
  • For extra security it's recommended that you disconnect from any network you're connected to and generate new wallets by clicking the GENERATE NEW WALLETS button at the bottom of the page. MAKE SURE TO SAVE THIS INFORMATION TO A SECURE LOCATION! With these keys CypherPoker.JS can re-create all deposit addresses and associated accounts; without it, any deposits may be lost (inaccessible) forever. Seriously ... back it up now!
https://preview.redd.it/vky333dbckc31.png?width=1180&format=png&auto=webp&s=c7a363361373c98ebcd47a3fe591b4fe86399747
  • Now replace each "xprv" and "tprv" values in the config.json file's wallets section with ones generated using the HD Wallet generator.
    • Make sure that you're updating both the correct cryptocurrency as well as its associated network (mainnet or testnet). Recall that "bitcoin" is the Bitcoin mainnet, "test3" is the Bitcoin testnet, "bitcoincash" is the Bitcoin Cash mainnet, and "bchtest" is the Bitcoin Cash testnet.
    • Also make sure that the "xprv..." and "tprv..." values are surrounded by quotes.
https://preview.redd.it/ba9os00eckc31.png?width=807&format=png&auto=webp&s=b5d7229a0cdce1dc9b42b5c54bd5ba971a93ad46

4. Configure the Services fees

  • Scroll farther down the config.json file to the bitcoin and bitcoincash sections. Each contains a sub-section named defaults where you'll find a main (mainnet) and test3 or test section (testnet). Here you can specify both the minerFee and the depositfee for each cryptocurrency and their sub-types (networks).
    • Note that each fee is in satoshis and must be enclosed in quotes.
https://preview.redd.it/67jroiuickc31.png?width=807&format=png&auto=webp&s=b376ae14da5e672544fd00712aaf94e0f590f211
https://preview.redd.it/k7ymzaqyckc31.png?width=807&format=png&auto=webp&s=47148f2a0e2763d81ad279fe77132c6d77b695f4
  • Save and close the config.json file.

5. Start the Services server

  • Go back up a few folders to the main CypherPokerJS folder. Find the cypherpokerjs.exe file and run it.
https://preview.redd.it/2r6fb0l4dkc31.png?width=861&format=png&auto=webp&s=9a677494bdd945cd1ebb8262e66587df875a979f
  • In CypherPoker.JS' main menu, select CONNECTIVITY.
https://preview.redd.it/kamdk2s7dkc31.png?width=1086&format=png&auto=webp&s=ea5036854bd13dd999dc9a63cdecc85446558423
  • In the pulldown labeled "Enable external access to API / P2P services using", select the type of tunnel connection to open for players to connect to. Use "WSSTunnel" for universal connectivity (web and desktop), or select "SSHTunnel" if all players are using the desktop version.
https://preview.redd.it/wuasdi8adkc31.png?width=1086&format=png&auto=webp&s=230f60ed60fafddadd17a57e21046e81e92d7a12
  • Click the toggle button next to the pulldown to enable external access. The SDB connection string will appear in the text box below. Click on the COPY TO CLIPBOARD button to copy the SDB to your system clipboard.
https://preview.redd.it/ddxvdinddkc31.png?width=1086&format=png&auto=webp&s=3461d966c4d81a6231ca04d7fbd6cc189bb4c7d9
  • Send the SDB (via email, IM, etc.), to players who want to connect to and use your services. To connect, they will need to open the CONNECTIVITY panel from the MAIN MENU, paste the provided SDB into the "Connect using Services Descriptor Bundle (SDB)" field, and click CONNECT.
    • Note that the web version of CypherPoker.JS doesn't include the Services control portion of the CONNECTIVITY interface, only the desktop version does.
https://preview.redd.it/mrsfdi0hdkc31.png?width=1086&format=png&auto=webp&s=d44cdf868064c1b0025320b2fae29ae8d37b5ae8
  • Your CypherPoker.JS Services Server can now be used to create and manage accounts, play and settle games, etc. You don't have to play (although you can), just remember to keep the application running while there are players connected!
submitted by monican_agent to cypherpoker [link] [comments]

WARNING: Clipboard MITM attack on Windows in the wild

TLDR: Windows malware intercepts a BTC address copied to the clipboard so that the pasted address is different, diverting funds to the attackers wallet which has 8.8 BTC of transactions. It mangles an XMR address. Visually inspect every transaction destination address before clicking OK!
Update: source for the malware found: a win32diskimager.exe downloaded from download.cnet.com, of all places, with a total of 4,500 downloads. More in the update at the bottom of the post.
Update 3: u/gugap and colleagues posted a detailed analysis here: https://www.welivesecurity.com/2018/03/14/stealing-bitcoin-download-com/
And great news that the file has been removed from CNET!
Original post:
I was setting up xmr-stak on my Windows desktop as the Linux version requires compiling which I'm not comfortable with. I was getting invalid address errors from the pool with two different wallet addresses, and I knew one of them is a good address with certainty having done transactions with it in the past.
After further head-scratching I noticed that the XMR address I copy from my password manager to the config file differs from the one that's pasted! I didn't notice it as the beginning and end characters are the same; the substitution is in the middle. The substitution can be defeated easily by copy-pasting the address in two chunks. But it does substitute the incorrect address even when the address is part of a longer string, such as the entire config file.
The fact that it generates invalid addresses (every time?) made me suspect this attack is meant for some other coin, most likely Bitcoin. I tested with a few BTC and BCH addresses, and it indeed generates the same address every time (below). Possibly the XMR attack is a by-product for the hack searching for BTC address strings, and it spits out an address without destination when confronted with an XMR address. [edit: After doing some further checks, the malware seems to look for the first "1" in the address and substitutes it with his BTC address below. I just learned that (one type of) BTC address always starts with a "1", which confirms the theory.]
While I believe this only allows the attacker to divert BTC funds to his address and doesn't compromise my XMR wallet or private keys, I already created a new wallet on my Linux machine, and moved my funds there. Now I'm considering doing this for all my coins as who knows what other monsters lurk behind the SSDs...
I thought I run a pretty tight ship with my desktop and cryptos, and do most of my computing in Linux. I only install wallets linked from the official websites, and verify checksums. I had heard of such attacks before, and always double-check the pasted address when moving funds. Fortunately I didn't lose any money as I noticed this while setting up XMR mining.
Somehow this got to my computer, and I have to deal with it and tighten my controls. Now, is there a secure way to clean my computer, or should I re-install Windows completely?
Below sample outputs for XMR and BTC addresses:
Correct XMR address generated with moneroaddress.org, copied in two chunks: 466mBJsXq4k8n4aampbico1Mn3muVyiBJUpfmq4oGjmrMCP1ZuXCz69HfuHDpsT1BQZKqdp2CV3QV5nUEsqSg1ygegLmqRygj Incorrect address when copy-pasting in one go, substitutions in bold, the address is different for each XMR address: 466mBJsXq4k8n4aampbico1BQZKqdp2CV3QV5nUEsqSg1ygegLmqRygjHDpsT1BQZKqdp2CV3QV5nUEsqSg1ygegLmqRygj
Another correct XMR address: 41BQZKqdp2CV3QV5nUEsqSg1ygegLmqRygjbRErDcCVrMLtZ5u1BQZKqdp2CV3QV5nUEsqSg1ygegLmqRygjiMQcTg
Incorrect address which differs from the previous one: YmNRSAn6JQP7jNuWYieZEx1BQZKqdp2CV3QV5nUEsqSg1ygegLmqRygj Correct Bitcoin address: 1GfyupfMmoNn9w9f9S7NQ6ouL1cgZW8MvM
Turns into this incorrect Bitcoin address, same address every time (at the time of writing it has 230 transactions worth 8.8 BTC). This BTC address is in the substitution in the XMR address above in bold. 1BQZKqdp2CV3QV5nUEsqSg1ygegLmqRygj
ALWAYS visually check that the address you send to is actually the one you copied. Don't just skip past the withdrawal confirmation page on your exchange; double-check that it is identical to the one you intend to send funds to.
Update:
Many have asked about the potential source. I know it's not an email as I don't use POP, and don't open attachments. Likely attack vectors are web ads, PDFs, or some crypto software I've installed recently. Haven't found the source, though.
For cleaning, F-Prot didn't find anything, Malwarebytes found the following and I quarantined them. After resetting twice my clipboard copies a Bitcoin address correctly. I will still re-install Windows completely just to be safe.
-Log Details- Scan Date: 3/13/18 Scan Time: 2:49 AM Log File: c03c0f4c-2660-11e8-a3f7-00ff86126b17.json Administrator: Yes
-Software Information- Version: 3.4.4.2398 Components Version: 1.0.322 Update Package Version: 1.0.4322 License: Trial
-System Information- OS: Windows 7 Service Pack 1 CPU: x64 File System: NTFS User: [username]
-Scan Summary- Scan Type: Threat Scan Result: Completed Objects Scanned: 267751 Threats Detected: 8 Threats Quarantined: 0 (No malicious items detected) Time Elapsed: 1 min, 58 sec
-Scan Options- Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Disabled Heuristics: Enabled PUP: Detect PUM: Detect
-Scan Details- Process: 1 Generic.Malware/Suspicious, C:\USERS[username]\APPDATA\ROAMING\DIBIFU_8\GO.EXE, No Action By User, [0], [392686],1.0.4322
Module: 1 Generic.Malware/Suspicious, C:\USERS[username]\APPDATA\ROAMING\DIBIFU_8\GO.EXE, No Action By User, [0], [392686],1.0.4322
Registry Key: 0 (No malicious items detected)
Registry Value: 1 Generic.Malware/Suspicious, HKU\S-1-5-21-1088663161-714082877-1087069783-1000\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN|ScdBcd, No Action By User, [0], [392686],1.0.4322
Registry Data: 0 (No malicious items detected)
Data Stream: 0 (No malicious items detected)
Folder: 0 (No malicious items detected)
File: 5 Generic.Malware/Suspicious, C:\USERS[username]\APPDATA\ROAMING\DIBIFU_8\GO.EXE, No Action By User, [0], [392686],1.0.4322 PUP.Optional.CrossRider, C:\WINDOWS\TEMP\FPQ8E3E.TMP, No Action By User, [204], [299102],1.0.4322 PUP.Optional.CrossRider, C:\WINDOWS\TEMP\FPQBAB4.TMP, No Action By User, [204], [299102],1.0.4322 PUP.Optional.CrossRider, C:\WINDOWS\TEMP\FPQD51D.TMP, No Action By User, [204], [299102],1.0.4322 PUP.Optional.CrossRider, C:\WINDOWS\TEMP\FPQE59F.TMP, No Action By User, [204], [299102],1.0.4322
Physical Sector: 0 (No malicious items detected)
(end)
Update 2:
Thanks to u/gugap I found the source for the infection!
Step-by-step. I was doing a backup of one of my Raspbian installs a few weeks back, and downloaded Win32 Disk Imager from download.cnet.com: http://download.cnet.com/s/win32-disk-image
I uploaded the file to VirusTotal, and got a scary list of suspicious items VirusTotal found in the file:
CAT-QuickHeal Trojan.IGENERIC Cylance
Endgame malicious (high confidence) ESET-NOD32
Fortinet MSIL/ClipBanker.DF!tr McAfee
McAfee-GW-Edition Artemis Sophos AV
TrendMicro-HouseCall Suspicious_GEN.F47V0119 VBA32
Seems like we found the source for McAfee's wealth j/k. Here the full report: https://www.virustotal.com/#/file/7b3d52200895d02bee51fc03217088a383158494dcac5f570dd875cdd1f2f248/detection
F-Secure didn't recognize anything then or today. I downloaded again just now, and it's infected. I reran it through Malwarebytes as well and it doesn't detect malware, either, only after the payload has been delivered.
Thanks again to u/gugap and others for helping find the source! Given the source is a CNET site I had less reason to suspect it, so I don't feel like a total idiot.
On the other hand, it's pretty scary that 4,500 (!) people have downloaded that file in the past two years (!!), over three hundred in the past week alone! I reported the file to CNET.
Also, it is very difficult to avoid such malware if AV doesn't detect it, and it's coming from a legit site. Time to ditch Windows for good, and start using airgapped TAILS for working with private keys.
submitted by Crawsh to Monero [link] [comments]

Making a cashaddr vanity address

bitcoincash:qqvanlty5z9dyt5jqes0y803mf8cd5dte5wagjgjc4
I am going to share with you how to make a vanity cashaddr with vanitygen for the old address. I hope someone to make one works with cashaddr natively.
First, read the spec.
For the ordinary P2PKH address, (the one start with '1' in the old format) The version byte (First 8 bits) is 0x00. ('0000 0000' in bits) That's why every new cashaddr addresses start with 'q'. ('00000' in bech32) and the following letter also is limited to one of [qpzr]. I just went with 'qq'.
Next, construct your meaningful words only with bech32 letters. It doesn't include every alphabet and number, so be creative. I chose 'vanlty', replacing missing 'i' with 'l'.
Thankfully, the head part of the cashaddr is pure payload. We can convert bech32 string without concerning the checksum.
qqvanlty q 00000 q 00000 v 01100 a 11101 n 10011 l 11111 t 01011 y 00100 
And convert it again to hex.
0000 0 0000 0 0001 1 1001 9 1101 D 1001 9 1111 F 1101 D 0110 6 0100 4 0019D9FD64 
8 letters for 5 bits each became 10 hex for 4 bits each.
Now using this base58 encoder, let's convert it to the old address prefix.
But be careful: Because the head part of a base58 string can be subjected to the length of the string, You need the filler to match the length of valid bitcoin address.
0019D9FD640000000000000000000000000000000000000000 13Mh2zbksUtigNtWkbtgtBnifHk7knCMpb 0019D9FD64FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 13Mh2zfKjDr2Tqtqugr8s3J53CGagDjgmU 
Now, look at this base58 chart, and find all letters between the first different letter pair between the two addresses. In this case, its 'b' and 'f'. In between them, there are three letters, [cde]. We need an old address which starts with 13Mh2z, followed by one of [cde].
From this point, it's not different with making vanity address the old way. I downloaded vanitygen and used OpenCL generator.
oclvanitygen.exe -k 13Mh2zc 13Mh2zd 13Mh2ze Pattern: 13Mh2zd Address: 13Mh2zdzbV1KuwoEVLFn4eUM5h5kQQCu2F 
Finally, you can convert it back to cashaddr with this converter.
13Mh2zdzbV1KuwoEVLFn4eUM5h5kQQCu2F bitcoincash:qqvanlty5z9dyt5jqes0y803mf8cd5dte5wagjgjc4 
submitted by CokeLimeZero to btc [link] [comments]

Fun out-of-the-box commands for Windows 10

No WSL required; these commands work in the command prompt without any setup whatsoever:
 finger [email protected] - a nice meteogram (also works in XP/Vista/7/8 by default) ssh redditbox.us - a CLI Reddit client ssh sshtron.zachlatta.com - a multiplayer Tron clone ssh netris.rocketnine.space - multiplayer tetris ssh [email protected] - a fun roguelike game ssh [email protected] -p 2222 - guess free minesweeper; Pass: play ssh chat.shazow.net - a chat room full of strangers ssh [email protected] - play various games including checkers ssh brow.sh - a CLI internet browser (I haven't been able to click on things unless I'm running it on macOS or Linux) curl https://tgftp.nws.noaa.gov/data/observations/metastations/KATL.TXT - METAR, replace KATL with any other ICAO curl parrot.live - a cute parrot animation curl https://icanhazdadjoke.com - shitty jokes curl pseudorandom.name - generates a random name curl dict://dict.org/d:computer - dictionary curl 12.io/ip - fetches your IP curl ipinfo.io/8.8.8.8 - fetches your geolocation 
If you enter “reg add HKCU\Console /v VirtualTerminalLevel /t REG_DWORD /d 1” then ANSI escape sequences will format correctly, which allows the following additional commands to output correctly: (and it colors the parrot)
 curl wttr.in/moon - see the current phase of the moon curl http://getnews.tech - see the top headlines curl cheat.sh - the home display for sub commands to programming resources curl cmc.rjldev.com - get coinmarketcap top 100 cryptocurrencies 
If you navigate to "Control panel -> Regional settings -> Administrative tab-> Change system locale" and activate "Beta: Use Unicode UTF-8 for worldwide language support" the following additional curl commands will also output correctly, IF you're using an advanced command line application such as Cmder or the new Windows Terminal:
 curl rate.sx - bitcoin prices curl rate.sx/[email protected] - bitcoin trend graph curl qrenco.de/STRING - replace string and generate a QR code curl wttr.in/cityname - get the weather forecast for your city curl v2.wttr.in/cityname - get a graphical weather forecast for your city 
These commands are now possible on Windows 10 since support for finger, ssh, and curl was added and enabled by default. You can setup a doskey for cmd aliases. Note that curl commands in PowerShell must be entered as curl.exe. There are also some fun telnet game servers as well as the Star Wars Episode IV ASCII movie (alternatively you can watch it with Netcat, "nc towel.blinkenlights.nl 23" which can be installed with Scoop, also try "nc rya.nc 1987") but the telnet feature must be manually enabled (run "dism /online /Enable-Feature /FeatureName:TelnetClient") and its known for being an insecure protocol. If you still choose to enable it, here's a bitcoin ticker and some fun game servers:
 telnet ticker.bitcointicker.co 10080 telnet freechess.org telnet aardmud.org telnet telehack.com telnet milek7.gq telnet mud.darkerrealms.org 2000 
I'd recommend Scoop as well as Pip (bundled with Python installation, which can be installed through Scoop and includes twitter and term2048) if you enjoyed these commands and would like more. Let me know if there's any commands that I should add to this list, I found most of them here!
submitted by Bondi_Blue to commandline [link] [comments]

Issue with Chrome Extension on Windows 10

Issue with Chrome Extension on Windows 10
I am running Windows 10 Pro (Version 1803 – OS Build 17134.472) with Chrome Version 71.0.3578.98 (Official Build) (64-bit).
I have tried 1password 7.2.617 and 7.3.648 but neither is allowing me to connect the extension to the desktop app.
Here is a screen shot of the extension:

https://preview.redd.it/0pldfgdq8u821.png?width=849&format=png&auto=webp&s=dec3544bf3af51de0bb65dcb0a0d4b4f3bb0af7b
Diagnostics:
Known issues No known issues found Installation Details Current Install Location Previous Build Location Version C:\Users\chris\AppData\Local\1password\app\7 7.3.648 1 accounts id uuid type state billing status capacity used last auth freeze at server 1 EYLH6HG2FBAKJBUAQWWUMMKYSA I A A 1024 0 2019-01-06 17:02:10 https://my.1password.com/ 3 vaults id uuid account type content version items details 1 b5dvmzeh3w5dbl3ehtlyqh25pe 1 P 430 290 read, update item, update item, move to trash, empty trash, view history, send item, reveal password, import, export, print 2 t2fc6skc6uyl2wgmcanriahyum 1 U 32 27 read, update item, update item, move to trash, empty trash, view history, send item, reveal password, import, export, print 3 uzgkb74gz3gqcppr4lv55iggs4 1 U 1 0 read, update item, update item, move to trash, empty trash, view history, send item, reveal password, import, export, print Items vault items is modified rejection build rejection reason 1 290   2 27   Sync Errors vault item uuid version edit build reason Settings source value Native Messaging for FireFox C:\Users\chris\AppData\Local\1password\app\7\FirefoxManifest.json Native Messaging for Chrome C:\Users\chris\AppData\Local\1password\app\7\ChromeManifest.json Autostart when user logs in "C:\Users\chris\AppData\Local\1password\app\7\1Password.exe" --silent app for onepassword:// (used by Microsoft Edge extension) "C:\Users\chris\AppData\Local\1password\app\7\1Password.exe" "%1" app for onepassword-help:// "C:\Users\chris\AppData\Local\1password\app\7\1Password.exe" "%1" .onepassword7-license-mac onepassword:// .onepassword7-license-win onepassword:// LastAccountId 1 PasswordGeneratorCharLength 15 PasswordGeneratorCharUseSymbols False ShowDocumentPreview true VaultIdForSaving 1 Chrome extensions profile extension id name author version Default aapocclcgogkmnckokdopfmhonfmgoek Slides 0.10 Default aohghmighlieiainnegkcijnfilokake Docs 0.10 Default aomjjhallfgjeglblehebfpbcfeobpgk 1Password extension (desktop app required) AgileBits 4.7.3.90 Default apdfllckaahabafndbhieahigkjlhalf Google Drive 14.1 Default beimhnaefocolcplfimocfiaiefpkgbf Ledger Manager 1.3.0 Default blpcfgokakmgnkcojhhkbfbldkacnbeo YouTube 4.2.8 Default bmnlcjabgnpnenekpadlanbbkooimhnj Honey 10.8.1 Default ceepigemlmlbphjhffddplfecgedhoeb pfcrypto 1.0.3 Default efdhoaajjjgckpbkoglidkeendpkolai Disable HTML5 Autoplay Eloston 0.6.2 Default fbmkfdfomhhlonpbnpiibloacemdhjjm Recent History Umar Sheikh 3.0.3 Default felcaaldnbdncclmgdcncolpebgiejap Sheets 1.2 Default gcgikpombjkodabhbdalkcdhmllafipp GoToMeeting Pro Screensharing 1.0.0.0 Default ghbmnnjooekpmoecnnnilnnbdlolhkhi Google Docs Offline 1.7 Default hcakmcggjddnhepfcajfcpkdjoggcnak UberConference Screen Sharing 1.1.6 Default hmjkmjkepdijhoojdojkdfohbdgmmhki Google Keep - notes and lists 3.1.18504.1137 Default jlhmfgmfgeifomenelglieieghnjghma Cisco Webex Extension 1.3.0 Default kkdpmhnladdopljabkgpacgpliggeeaf Ledger Wallet Bitcoin 1.12.1 Default lpcaedmchfhocbbapmcbpinfpgnhiddi Google Keep Chrome Extension 3.1.18504.1137 Default nkbihfbeogaeaoehlefnkodbefgpgknn MetaMask https://metamask.io 5.3.0 Default nmmhkkegccagdldgiimedpiccmgmieda Chrome Web Store Payments 1.0.0.4 Default pjkljhegncpnkpknbcohdijeoejaedia Gmail 8.1 Default pkedcjkdefgpdelpbcmbmeomcjbeemfm Chrome Media Router 7118.1015.0.0 
How can I get this working again? I was a big fan of the extension, I like it more than 1Password X.
submitted by donredc to 1Password [link] [comments]

(Upvote to the top) > SOLUTION FOR ZCLASSIC Eleos Wallet: "Wallet daemon can not be run. Check if daemon does not already run"

So I noticed a lot of people recently (including myself) are experiencing the error "Wallet daemon can not be run. Check if daemon does not already run" when trying to open up their ZCL Eleos wallet, and people are unable to access their funds or cannot export their private keys as well. A solution to this is now official (thanks to JBrutWhat from the BTCP team for helping me out on this.) Note: Post is being edited as more info becomes available to me.
This solution also works for users who are on the ZClassic Swing wallet experiencing the error "A general unexpected critical error has occurred: error: Couldn't connect to server, see the console output for more detailed error information!."
Eleos Wallet Troubleshooting section
ZClassic Electrum Wallet
  1. Create a new standard wallet and restore the 2FA wallet using your "seed" codes. DO NOT password protect this wallet.
  2. Disable the 2FA feature when presented with the option.
  3. Navigate to C:/Users/YOUR-NAME/AppData/Roaming/Electrum-zcl/wallets. Open the new standard wallet file with Notepad.
  4. You will need to gather the 2 private keys and one public key. To find this easily, press “CTRL+F” and search for “xprv”. Copy the 2 “xprv” values as well as the last “xpub” value. You will need these in a later step.
  5. Create a new “Multi-signature wallet”. Select “From 3 co-signers” on the first slider. Select “Require 2 signatures” on the second slider.
  6. To add the first co-signer, click “Use public or private keys”. Enter the first xprv key in this box.
  7. Add the second co-signer via a private key also.
  8. Add the third co-signer with the public key. Complete the set-up.
  9. Your wallet funds now have the ability to be sent from the multi-signature wallet.
For Users who were already using the Electrum wallet beforehand, you can go to file > new/restore wallet > next > import zclassic private keys and input the private key you obtained from the walletaid tool, and it should import the wallet into the electrum wallet. Then from there, go to file > backup wallet and export a copy of the wallet.dat file onto an offline USB.
Reminder: Backup and delete the private keys file from your desktop pc/hard drive, move it into an offline USB for safekeeping. Do not leave it on an online device.
Donate to me if you found the guide useful! Your donations 100% voluntary but they are greatly appreciated and keep us going!
ZCL: t1fkxCWJs3f2oXznGwZuEgftJ2SCjYZ8VjZ
BTC: 14Xmfm9jf4h1h4RXZBQCFK6i4LWibqWVPu
LTC: LhAERgWcjbbXQbGqjhy4owALGhwfpj1aw2
ETH: 0xe723305337926e1fcb5dd0495e6648569a252c13
BCH: 1JXqLHqjYH8bew38AXwEt9dmKvsdYwLtvr
LINKS
(You can join the discord rooms where there are channels for users looking for help)
submitted by BestServerNA to ZClassic [link] [comments]

Groestlcoin September 2019 Development Release/Update!

For a more interactive view of changes, click here
In our current world; bordering on financial chaos, with tariff wars, Brexit and hyperinflation rife, you can count on Groestlcoin to consistently produce innovation that strikes to take the power away from the few and into the many, even after a full five and a half years of solid development.
Here is what the team has already announced in the last 3 months since the last development update:

What's Being Released Today?

Groestl Nodes

What am I?

Groestl Nodes aims to map out and compare the status of the Groestlcoin mainnet and testnet networks. Even though these networks share the same protocol, there is currently no way to directly compare these coins in a single location. These statistics are essential to evaluate the relative health of both networks.

Features

Source - Website

Groestlcoin Transaction Tool

What am I?

This is a tool for creating unsigned raw Groestlcoin transactions and also to verify existing transactions by entering in the transaction hex and converting this to a human-readable format to verify that a transaction is correct before it is signed.

Features

SourceDownload

Groestlcoin AGCore

What am I?

AGCore is an Android app designed to make it easier to run a Groestlcoin Core node on always-on Android appliances such as set-top boxes, Android TVs and repurposed tablets/phones. If you are a non-technical user of Groestlcoin and want an Android app that makes it easy to run a Groestlcoin Core node by acting as a wrapper, then AG Core is the right choice for you.

What's Changed?

Source - Download

Groestlcoin Electrum

What's Changed?

Android Electrum-Specific

OSXWindowsWindows StandaloneWindows PortableLinux - Android
Server SourceServer Installer SourceClient SourceIcon SourceLocale Source

Android Wallet – Including Android Wallet Testnet

What am I?

Android Wallet is a BIP-0032 compatible hierarchial deterministic Groestlcoin Wallet, allowing you to send and receive Groestlcoin via QR codes and URI links.

V7.11.1 Changes

Groestlcoin Java Library SourceSource - DownloadTestnet Download

Groestlwallet

What am I?

Groestlwallet is designed to protect you from malware, browser security holes, even physical theft. With AES hardware encryption, app sandboxing, keychain and code signatures, groestlwallet represents a significant security advance over web and desktop wallets, and other mobile platforms.
Simplicity is groestlwallet's core design principle. Because groestlwallet is "deterministic", your balance and entire transaction history can be restored from just your recovery phrase.

iOS 0.7.3 Changes

Android v89 Changes

iOS SourceAndroid Source - Android DownloadiOS Download

Groestlcoinomi Released

What am I?

Groestlcoinomi is a lightweight thin-client Groestlcoin wallet based on a client-server protocol.

Groestlcoinomi v1.1 Desktop Changes

Groestlcoinomi Android v1.6 Changes

Groestlcoin Java Library SourceAndroid Source
Android DownloadWindows DownloadMac OS DownloadLinux Download

Groestlcoin BIP39 Tool

What's Changed?

Source - Download
submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

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