Version 0.7.7

This is bug fix release.

Following issues were fixed:

• Known peers interchange was fixed, that will prevent node isolation
• Mainnet official nodes list was updated (please, update known-peers parameter in your configuration file according to waves-mainnet.conf)

When updating from 0.7.x, there's no need to delete blockchain or state files. If you are updating from 0.6.x, please be sure to read 0.7.5 release notes to familiarize yourself with recommended update procedure.