Open Zeppelin Reveals Top 10 Blockchain Hacking Techniques in 2022 Blockchain Crypto cyberattack hacking Layer 2 Technology Web3 March 16, 2023CryptoLeave a Comment on Open Zeppelin Reveals Top 10 Blockchain Hacking Techniques in 2022 Spread the love The first and second place bugs involved layer 2 scaling solution Optimism and vanity address generator Profanity.