Optimism (OP) has achieved a recent milestone that has led Vitalik Buterin to tout the wins that Layer 2 protocols on Ethereum have recorded in recent years. Vitalik Buterin Lauds Victories Over Criticisms According to OP Labs, Ethereum L2 Optimism recently implemented fault proofs into its smart contracts. The development team behind Optimism noted that it The post Vitalik Buterin Spotlights Ethereum Layer 2 Progress, Hints Next Milestone appeared first on CoinGape .