We have written this security patch along side best advice from our exchange partners. They will take time to audit the update and let the hard fork stabilise before resuming deposits and withdrawals. We are not expecting it to cause NAV to be delisted from any exchanges. The full list of what's been modified is in the release notes:
https://github.com/NAVCoin/navcoin-core/releases/tag/4.1.0- New genesis block for the testnet.
- Community fund enabled on the testnet.
- New block version structure. Rejects blocks with wrong version.
- Blocks will still signal version bits even after activation.
- Nodes with obsolete protocol versions get their messages rejected instead of being banned.
- Improvements in the Script check methods.
- Reason for messages being rejected are now registered in the log file.
- Signature Hash now includes nTime and strDZeel.
- Wallet is able to track other wallet’s versions and displays a warning when a majority has updated to a new version.
- New format of stake voting. Votings can be dynamically be pushed into the network. New RPC method ‘stakervote’.
- Adds ‘donatefund’ RPC method to donate to the community fund.
- Moved many consensus related parameters to chainparams.cpp
- Fixes a bug where a transaction could have a timestamp earlier than the outputs it spent.
- Fixes a bug where the staker thread could be interrupted.
- Fixes a bug which prevents node to start syncing at boot under some circumstances.