Sei activates "10x engine" on mainnet with v6.6 upgrade at block 224,201,091
AI Market Summary
Sei v6.6 is live on mainnet, representing its largest upgrade since EVM support and introducing the first mainnet components of Sei Giga. The hybrid executor becomes the default execution path, with Sei Labs citing ~10x throughput, alongside EVM history database separation, 30+ security fixes, and validator-ops improvements. The release is a credibility and capacity milestone that can influence near-term activity and liquidity around SEI.
Impact level
● Medium
Affected assets
SEI/USDT-0.57%
AI Insight · SEI/USDTAI Insight
▲ Bullish
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Sei Network (@SeiNetwork) has rolled out v6.6 on mainnet as of block 224,201,091, marking its biggest protocol upgrade since EVM support launched in May 2024. The release aggregates nearly 400 pull requests and introduces the first mainnet pieces of Sei Giga. According to @Sei_Labs, the newly added hybrid executor is now the default execution path and delivers roughly 10x throughput.
The upgrade also starts carving out roughly two years of EVM history into a separate database, fixes more than 30 security issues covering DoS vectors and supply-chain hardening, and improves validator operations through faster pruning and adjusted consensus timing. The long-awaited Giga rollout for $SEI holders is now underway.
