The deployment follows a public testnet phase and a four-month rehearsal by a community cluster to replace the network's TowerBFT mechanism. Described as the most significant consensus change in the blockchain's history, Alpenglow will activate on mainnet-beta following a scheduled observation period for app developers.
Wednesday, October 21, 2026
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Solana Deploys Alpenglow to Devnet for 150ms Finality
Crypto25 days ago
Anza has transitioned the Alpenglow consensus upgrade to the Solana devnet to permit developer testing of programs and integrations before a full mainnet release. This update shifts validator voting off-chain, which aims to reduce transaction finality from about 13 seconds to 150ms by equating confirmed and finalized transaction states.
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