Offchain Labs has released Arbitrum BOLD on testnet, a new dispute resolution protocol for optimistic rollups that enhances permissionless validation and security. Now, anyone can secure claims about Arbitrum's state on Ethereum, promising increased network security and democratizing the validation process. Following thorough testing, including community engagement and a tally vote, BOLD is expected to further align Arbitrum with Ethereum's decentralization goals.
Tuesday, April 16, 2024Offchain Labs, the company behind the Arbitrum L2, found two severe vulnerabilities in Optimism's fraud-proof system. The exploits, which have now been patched, allowed for fraudulent chain history to be accepted. Fortunately, the vulnerabilities were only on testnet and funds were never at risk.