Solana’s Alpenglow upgrade targets October 21 for 150ms finality

Solana logo, official brand asset from solana.com/branding. Alpenglow is a Solana consensus upgrade. Alpenglow, Solana’s most significant consensus upgrade, is scheduled to launch on the mainnet on October 21, aiming for a substantial reduction in transaction finality time to 150 milliseconds. This upgrade, announced via social media, seeks to replace the existing TowerBFT voting layer with direct validator votes and aggregate certificates. Although this announcement marks a major milestone for Solana, official documentation has yet to confirm the October 21 activation date. The anticipated upgrade is expected to enhance network performance significantly, potentially impacting Solana’s competitive position. Market participants are closely monitoring the unfolding developments, as the Solana (SOL) token was near $107 on October 13, down approximately 4% on the day. The prospect of faster transaction finality and reduced on-chain voting overhead suggests that the network’s performance could improve substantially if the upgrade proceeds as planned. This has implications for Solana’s pricing in prediction markets, where the likelihood of reaching higher price thresholds in October is b...