Attention to all users of novacoin.

Chain fork happened due to fee calculation issue with block #65873. The following short FAQ should be helpful in order to resolve this problem.

Q: I’ve got an alert message from my Novacoin client. Is this right thread
A: Yes, that’s right thread.

Q: What’s happened?
A: Some clients has this block rejected while the most part of nodes accepted that without any problem. That’s caused a chain fork which couldn’t be resolved automatically.

Q: What should I do?
A: You need to install 0.4.4.5 or 0.4.4.6 update, these versions are not affected by this issue.

Q: Why I’m getting runaway exception while trying to start 0.4.4.6 client?
A: That’s normal, it’s happened because 0.4.4.6 update makes blockindex code incompatible with previous versions. You need to remove old blockchain files and resyncronize with a rest of the network.

Q: How to remove the old blockchain database files?
A: You need to remove everything except wallet.dat from your client data directory. Data directory is located at

Windows Vista/7/8/2008 Server: C:\Users\<UserName>\AppData\Roaming\NovaCoin
Windows 2000/XP: C:\Documents and Settings\<UserName>\Application Data\NovaCoin
Linux/*BSD: ~/.novacoin

Q: Where I can find update packages or source code?
A: Binary updates could be downloaded here. Source code is available at github.

Q: Is there any affected versions list?
A: All clients with protocolversion value lower than 60010 are affected by this issue. You can check your protocolversion value using getinfo command. If you are using a binary builds prior 0.4.4.5 then it’s necessary to apply update.

Q: How to shut up this alert message?
A: You can apply 0.4.4.6 update and warning will disappear. You can also ignore it or wait until alert will be cancelled.

Q: Is there any list of unaffected resources?
A: It’s confirmed that novacoin.ru/novacoin.su/explorer.novaco.in, nvc.khore.org, coinpool.ru, virpool.com and btc-e.com are on the right chain.