A new major Groestlcoin Core version 2.16.3 is now available for download which includes both a Denial of Service component and a critical inflation vulnerability, so it is recommended to upgrade to it if you are running a full Groestlcoin node or a local Groestlcoin Core wallet.

v2.16.3 is now the official release version of Groestlcoin Core. This is a new major version release with a very important security updates. It is recommended to upgrade to this version as soon as possible. Stop running versions of Groestlcoin Core affected by CVE-2018-17144 asap: These are 2.13.3 and 2.16.0.Changelog:• Fix for CVE-2018-17144 Denial of Service component and a critical inflation vulnerability• The `-blockmaxsize` option for miners to limit their blocks' sizes has been removed. Miners should use the `-blockmaxweight` option if they want to limit the weight of their blocks' weights.It is appreciated if feedback of the following is provided:1. Can you receive coins on a bech32 address? (small amounts to avoid losing them)2. Can you receive coins on a legacy address? (small amounts to avoid losing them)3. Can you receive coins on a p2sh-segwit address? (small amounts to avoid losing them)4. Can you send coins on a bech32 address?5. Can you send coins on a legacy address?6. Can you send coins on a p2sh-segwit address?7. Can you view your transaction on a third party blockexplorer (restart the client after entering the url of the blockexplorer) ?8. Can you use the wallet with TOR?9. Are you able to backup your wallet (wallet.dat) file?10. Are you able to encrypt your wallet (wallet.dat) file?11. Are you able to use watch-only function?12. How long does it take to fully synchronize?13. Are you able to sign/verify messages?14. Are you able to see you send/receive addresses?15. Are you able to use the wallet in your local language?The application may have unfound bugs and problems. Please report using the issue tracker at github:How to Upgrade?The first time you run version 2.16.3, your chainstate database may be converted to a new format, which will take anywhere from a few minutes to half an hour, depending on the speed of your machine.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 users: http://groestlcoin.org/forum/index.php?topic=441.0 Linux users: http://groestlcoin.org/forum/index.php?topic=97.0 Download the Windows Installer (64 bit) here: https://github.com/Groestlcoin/groestlcoin/releases/download/v2.16.3/groestlcoin-2.16.3-win64.msi Download the Windows Installer (32 bit) here: https://github.com/Groestlcoin/groestlcoin/releases/download/v2.16.3/groestlcoin-2.16.3-win32.msi Download the Windows binaries (64 bit) here: https://github.com/Groestlcoin/groestlcoin/releases/download/v2.16.3/groestlcoin-2.16.3-x86_64-w64-mingw32.zip Download the Windows binaries (32 bit) here: https://github.com/Groestlcoin/groestlcoin/releases/download/v2.16.3/groestlcoin-2.16.3-i686-w64-mingw32.zip Download the OSX Installer here: https://github.com/Groestlcoin/groestlcoin/releases/download/v2.16.3/groestlcoin-2.16.3-osx.dmg Download the OSX binaries here: https://github.com/Groestlcoin/groestlcoin/releases/download/v2.16.3/groestlcoin-2.16.3-x86_64-apple-darwin11.tar.gz Download the Linux binaries (64 bit) here: https://github.com/Groestlcoin/groestlcoin/releases/download/v2.16.3/groestlcoin-2.16.3-x86_64-linux-gnu.tar.gz Download the Linux binaries (32 bit) here: https://github.com/Groestlcoin/groestlcoin/releases/download/v2.16.3/groestlcoin-2.16.3-i686-pc-linux-gnu.tar.gz Download the ARM Linux binaries (64 bit) here: https://github.com/Groestlcoin/groestlcoin/releases/download/v2.16.3/groestlcoin-2.16.3-aarch64-linux-gnu.tar.gz Download the ARM Linux binaries (32 bit) here: https://github.com/Groestlcoin/groestlcoin/releases/download/v2.16.3/groestlcoin-2.16.3-arm-linux-gnueabihf.tar.gz SHA-256 hashes of the released files for verification:groestlcoin-2.16.3-x86_64-linux-gnu.tar.gzf15bd5e38b25a103821f1563cd0e1b2cf7146ec9f9835493a30bd57313d3b86fgroestlcoin-2.16.3-aarch64-linux-gnu.tar.gzd576c0aa488fa5d88077fd9cb2fec855619ce2512254cb207085f3e9440305c0groestlcoin-2.16.3-arm-linux-gnueabihf.tar.gza7f9f4fcaaeb31c9617cf9711ea14c67cf810bace6e0fb60d208e559e295a65fgroestlcoin-2.16.3-i686-pc-linux-gnu.tar.gzd8432224a6bafb06f953200f997e29a3925fc21cfe7f4ee8c22080fcc9eb182dgroestlcoin-2.16.3-osx.dmg3d54c4c3affa2cceaed0942449cbc07b722295b872b4757077f1f076b0d27f53groestlcoin-2.16.3-win64.msidc7aa2e4598f053ebecee77fa6cf888b2024b9a1b03991622556fd91a209e281groestlcoin-2.16.3-win32.msie8318c3599809117cac56182c5684134b54255533faf8adbfb7e0b36dcfbbde2groestlcoin-2.16.3-x86_64-w64-mingw32.zip9617e7ec61a1f8850d11613ff3d4f4e1d8caa29e118ec1c29e07ef323b16557dgroestlcoin-2.16.3-i686-w64-mingw32.zip28785ef0dd70d39ad6a0f68c651e4ce001e69b5b09dded9bde5f7491eaf3d54bgroestlcoin-2.16.3-x86_64-apple-darwin11.tar.gz4976c8f60105a32bb0d8e230577f60438d5bed45a9aa92c51f0dd79a13c6b89eSource code:Build instructions for Linux can be found here: https://github.com/Groestlcoin/groestlcoin/blob/master/doc/build-unix.md Build instructions for OSX can be found here: https://github.com/Groestlcoin/groestlcoin/blob/master/doc/build-osx.md Build instructions for Windows can be found here: https://github.com/Groestlcoin/groestlcoin/blob/master/doc/build-windows.md