The upcoming Alpenglow upgrade aims to cut transaction finality from roughly 12.8 seconds to just 150 milliseconds.
Solana Set for Major Finality Upgrade
LocalCryptoNews digital-assets desk (2026-08-14): The upcoming Alpenglow upgrade aims to cut transaction finality from roughly 12.8 seconds to just 150 milliseconds. Primary source: original at U.Today (u.today).