Frankendancer

Solana has set Oct. 21 for the Alpenglow upgrade, a consensus change designed to make transactions irreversible in roughly 150 milliseconds under suitable network conditions. The migration will move validator voting off-chain, a shift that could reduce headline transaction counts even if user activity remains steady.

Solana’s Alpenglow upgrade has entered public testnet as developers assess whether the network can sharply reduce transaction finality. The change targets a move from about 13 seconds to 0.15 seconds, a shift that could matter for exchanges, bridges, merchants and other high-speed applications.