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Solana's Alpenglow Upgrade to Activate on Oct. 21, Cutting Finality from 12.8 Seconds to 150 Milliseconds

OdailyOdaily

Odaily News: Solana ecosystem research and development firm Anza said the Alpenglow mainnet beta will activate on Oct. 21, 2026, at 14:50 UTC. After the upgrade, transaction finality is expected to be reduced from about 12.8 seconds to 150 milliseconds.

Alpenglow will replace the existing TowerBFT voting mechanism with Votor, allowing validators to confirm consensus through direct communication and aggregation into smaller records rather than writing every vote fully on-chain. The network is expected to maintain the existing system for about 18 minutes first, then switch to Votor once staked SOL reaches 82% of the validator set.

Another component of Alpenglow, Rotor, will adjust how new blocks are distributed among validators, but no activation date has been announced yet. This upgrade includes only Votor, and Solana will temporarily focus on replacing the consensus mechanism. (Bitcoin.com News)

This content is for informational and educational purposes only and does not constitute investment advice related to BTCC. BTCC makes every effort but cannot guarantee the truthfulness, accuracy, or originality of the content above.