s/balajisCONSENSUS UPGRADE•4d
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Solana’s Alpenglow targets 0.15-second finality, down from 12.8 seconds
Solana’s testnet now finalizes blocks with Votor instead of TowerBFT, moving Alpenglow from upgrade plan to live consensus software. The handoff happened at slot 444625255 and created the Alpenglow genesis block.
That matters because Alpenglow targets roughly 0.15-second transaction finality, compared with Solana’s current approximately 12.8 seconds. Validator votes now move entirely off-chain, with Votor handling finalization on testnet.
That matters because Alpenglow targets roughly 0.15-second transaction finality, compared with Solana’s current approximately 12.8 seconds. Validator votes now move entirely off-chain, with Votor handling finalization on testnet.
Timeline2
6d
Anza announced that the Alpenglow feature gate would activate on testnet on September 24, followed by a 5,000-slot countdown.
5d
Alpenglow went live on testnet at slot 444625255; TowerBFT was retired and Votor took over finalization.
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4d