CryptoCoinDeskabout 1 hour ago
Solana upgrades to Alpenglow on Oct 21
2 min read
Solana schedules its Alpenglow upgrade for Oct. 21, targeting transaction finality in about 150 milliseconds. The switch replaces TowerBFT and moves validator votes off-chain, potentially reducing reported transaction counts. Validators must use Agave 4.3.0, while Firedancer and Frankendancer operators switch software temporarily. Voting charges of roughly 1 SOL per epoch disappear, replaced by a flat admission fee of 0.8 SOL.
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