Tom Mitchelhill / Cointelegraph:
Optimism fixes a critical bug that would have allowed creation of unlimited ETH tokens in the Ethereum layer-2 scaling project's accounts, awards a $2M bounty — Ethereum scaling startup Optimism disclosed a “critical bug” fix in the project's Geth fork that would have allowed malicious hackers to create infinite ETH
from Techmeme https://ift.tt/L6b3jSA