Linia blocks rule-violating transactions before recording them on the block... 4 participating protocols

Linea has activated Phylax’s Credible Layer on its Ethereum layer-2 mainnet, a security layer that screens transactions before they are written to a block and rejects those that violate DeFi app-defined rules. The system is designed to block malicious or rule-breaking transactions at execution rather than flagging them after the fact, a gap the report says most existing on-chain security tools leave open. The launch comes as Linea positions itself as a safer venue for DeFi activity, with the article noting four participating protocols but not specifying their names. What to watch next is whether DeFi apps on Linea adopt the rule sets at scale and whether the pre-block filtering approach reduces losses from exploits and mispriced transactions.