Solana sets Oct. 21 for Alpenglow upgrade targeting 150-millisecond finality
Source: CoinDesk ·
From the source
The switch will replace Solana’s existing validator voting system, remove vote transactions from blocks and could sharply change headline transaction counts even if user activity stays flat. Solana has scheduled Oct. 21 for Alpenglow, a major upgrade aimed at making transactions irreversible in roughly 150 milliseconds by changing how the computers running the network agree on payments. The updated timetable published by the Solana Foundation sets a date for replacing TowerBFT, the voting system Solana has used since its launch in 2020. The 150-millisecond figure remains a target, with actual performance depending on network conditions. This matters as a Solana payment can already appear successful almost immediately. But Alpenglow aims to offer a stronger guarantee that it cannot be undone almost as quickly. A merchant waiting for that assurance before accepting a payment, or a bridge before releasing funds on another blockchain, could act sooner. As of today, validators, the…