Sui Network has launched its major upgrade, Mysticeti, which significantly improves consensus performance. The new protocol reduces consensus time by 80% on the Testnet, achieving 390ms consensus and 640ms settlement finality. Mysticeti delivers p50 400ms consensus latency. This upgrade is a significant milestone in blockchain technology, showcasing the fastest overarching latency. The launch follows a 1 day 4 hour timer and on-chain governance vote, marking a historic moment for the lineage of Byzantine Fault Tolerant (BFT) work initiated by the '99 PBFT paper.