Ethereum Scaling Solution zkSync Era Mainnet Malfunctioned, Resumes Block Production After 4Hrs

zkSync Era malfunctioned and went down for over 4hrs on Saturday as the Layer-2 blockchain produced no blocks during these hours. Zero-knowledge proof roll-up (zk-Rollup) zkSync Era is one of the main Ethereum Layer-2 scaling solutions compatible with Ethereum Virtual Machine (EVM), with mainnet launched by Matter Labs on March 24.