Parity had a bug in consensus rules. If you run parity please update to 1.10.6 or 1.11.3 immediately.
If you don’t please disregard this message. There is nothing you need to do. It’s only for exchanges / miners / node operators.
submitted by /u/pyskell
Posted by /u/pyskell on June 8, 2018 @ https://www.reddit.com/r/EthereumClassic/comments/8owc1j/parity_had_a_bug_in_consensus_rules_if_you_run/