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Solana's Alpenglow upgrade enters public testnet to cut transaction finality to ~150 ms from 13 seconds.

Protocol Fundamentals
23 Sep 2026
Crypto news
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Bullish
Solana's Alpenglow upgrade enters public testnet to cut transaction finality to ~150 ms from 13 seconds.

Solana is advancing its Alpenglow consensus upgrade to the public testnet stage, aiming to reduce transaction finality time from about 13 seconds to roughly 150 milliseconds. This upgrade replaces the current TowerBFT consensus with a new protocol called Votor, enabling validators to reach agreement in one or two voting rounds, significantly speeding up finality without changing transaction execution for users. Validators must use the Agave 4.3 software to participate in testing, while other clients like Firedancer are not yet supported. The upgrade is still in testing with no confirmed mainnet launch date, but it represents the largest consensus change in Solana's history, promising faster transaction confirmation and improved network efficiency.

Solana (SOL) is trading at Rp2.112.711 on Pluang as of Sep 23, 2026 14:32 WIB, showing a positive 1.80% change in the last day. The platform records a balanced order activity with 50% Sell and 50% Buy, indicating steady interest among investors. Typical hold time for SOL on Pluang is 70 days, reflecting a medium-term investment horizon for users amid the network's ongoing upgrade developments.

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