Solana Initiates Trials of an Upgrade Aimed at Reducing Finality Time from 12.8 Seconds to Just 150 Milliseconds
Solana, the high‑throughput blockchain that has positioned itself as a leading platform for decentralized finance, non‑fungible tokens, and a growing ecosystem of Web3 applications, has begun testing a major protocol upgrade known as Alpenglow. This upgrade is designed to dramatically accelerate the network’s finality—the point at which a transaction is considered immutable and cannot be reversed…
Sept. 23, 2026, 5:16 a.m.