Solana’s network upgrade targets 150 ms finality, down from 12.8 seconds

Solana has scheduled its Alpenglow network upgrade for October 21, 2026, targeting a cut in transaction finality from about 12.8 seconds to roughly 150 milliseconds. The change aims to make a payment irreversible almost as quickly as it first appears confirmed, replacing the voting system validators use to agree on blocks. Key takeaways Alpenglow’s activation […]