Launch of Solana Alpenglow in the Second Public Test Network

By: coinspot.io|09/30/2026 22:07:00

Solana Alpenglow has been launched in the public network for developers, allowing application teams to test the compatibility of the update that reduces transaction finalization to 150 milliseconds. This update changes the consensus mechanism, enabling transactions to be considered irreversible in fractions of a second, instead of the current 12.8 seconds. The acceleration may reduce delays in scenarios requiring quick confidence in operational results, such as deposit credits on exchanges. On September 25, Anza announced the activation of Alpenglow in devnet, and the update is also operational in testnet for stress testing. Alpenglow alters the validator consensus process, allowing them to exchange voting data directly, which should reduce the number of voting rounds to one or two. After the update, a decrease in the overall number of transactions, including validator votes, may be observed, necessitating adjustments to metrics. Services that form transaction history will need to handle competing block options more carefully. The launch date of Alpenglow in the main network has not been announced, although the preliminary plan allows for the activation of features on September 28.

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