Governance-approved, permissionless fault proofs are live on OP Mainnet, and with them the OP Stack arrives at Stage 1. This is a monumental milestone for the Superchain, and soon more OP Stack Chains will upgrade to include this functionality, starting with Base, Metal, Mode, and Zora. The permissionless Fault Proof System enables withdrawals of ETH and ERC-20 tokens from OP Mainnet to be initiated without involvement from any trusted third parties. It also means that invalid withdrawals can...