PrivacyHacker Noonabout 9 hours ago
Solana's Alpenglow Upgrade Replaces TowerBFT With Votor
8 min read
Solana's Alpenglow upgrade removes TowerBFT and Proof of History, replacing them with the Votor voting engine. Finality drops from 12.8 seconds to roughly 100-150 milliseconds, while the Byzantine fault tolerance threshold tightens from 33% to 20% adversarial stake. Validators must register a BLS public key per SIMD-0387.
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