Solana activated the Alpenglow upgrade on October 21, 2026, at approximately 13:20 UTC, reducing transaction finality from 12.8 seconds to 150 milliseconds. The change replaces the TowerBFT consensus mechanism with Votor and moves validator votes off-chain. Reported transaction counts may therefore fluctuate without necessarily indicating a decline in user activity. Market pricing suggests optimism surrounding the upgrade, with the assessed likelihood of Solana reaching $190 in October increasing by 20%.
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