Buterin stresses rethinking Layer-2 security by adopting a 2-of-3 proof system to achieve rapid withdrawals, highlighting the need to move beyond traditional OP proofs amid evolving ZK technology.
Vitalik Buterin, as reported by PANews on August 7th, noted that many mainstream Layer-2 protocols remain at a preliminary security stage and emphasized achieving native withdrawal times under one hour, targeting 12 seconds in the medium term. He proposed abandoning OP proofs in favor of a balanced 2-of-3 approach combining zero-knowledge, Optimistic, and TEE proofs to enhance speed and security, though on-chain gas costs remain a bottleneck.