Big breath as Beacon Chain stops finalizing… and then recovers By Cointelegraph

An unidentified issue on Ethereum’s Beacon Chain led to a halt in transactions for nearly half an hour on May 11.

Around 8:15pm on Thursday May 11, a number of core developers announced that the Beacon Chain was having issues with confirming transactions. New blocks were able to be proposed but an unknown issue was preventing them from being finalized.