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Crypto briefing · Wednesday, October 21, 2026 · Evening edition · Story 4 of 5
Solana launches Alpenglow upgrade, cutting transaction finality to 150 milliseconds
Solana's Alpenglow upgrade went live, replacing the voting system used since 2020 and targeting faster transaction finality. The upgrade aims to reduce transaction finality from 12.8 seconds to about 150 milliseconds.
Why it matters: Faster transaction finality can improve user experience and make applications on the Solana network more responsive.
Sources: CoinDesk · Crypto.news · Cointelegraph · Decrypt · The Block
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