Solana Moves Alpenglow to Public Testnet, Targeting 150ms Finality

• —Alpenglow replaces TowerBFT with the Votor voting protocol in Anza's Agave 4.3 client
• —Target finality is about 150 milliseconds versus the current 12.8 seconds
• —Votor uses a fast path at 80% stake and a fallback path at 60%
• —Network fault tolerance rises from about 33% to 40%