ChainCatcher news, according to The Block, OP Labs announced that it has launched Fault Proof on the OP Sepolia testnet, stating: "The open-source, fully functional Fault Proof is now live on OP Sepolia. Through permissionless validation, anyone can participate in the system without an allowlist."It is reported that Fault Proof serves as a security mechanism for Ethereum L2 networks, allowing users to challenge potentially fraudulent or incorrect transactions. They are crucial for ensuring that off-chain transaction processing is not manipulated.

ChainCatcher news, OP Labs announced on social media that the OP Sepolia testnet will upgrade on March 19 to support a fully functional OP Stack fault-proof version.It is reported that this upgrade will affect cross-chain bridges, CEX, and custom solutions using withdrawals.

ChainCatcher message, OP Labs stated on social media that the Canyon network upgrade for OP Goerli and OP Sepolia is scheduled for November 14, 2023, at 17:00 UTC.It is reported that these versions will lay the foundation for future iterations of the superchain, and node providers and OP Chain operators are advised to upgrade their testnet nodes by November 7 to ensure that the nodes are ready for the network upgrade later this month.