【How fast can Solana get? Finality in 150 milliseconds, upgrade on October 21! 🔥】

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Solana is gearing up for another major upgrade!

According to the latest news, Solana plans to launch a major upgrade called Alpenglow on October 21, aiming to cut transaction finality time from around 12.8 seconds to 150 milliseconds—that’s less than 0.2 seconds.

What does that mean?

Simply put, when you send SOL and the transaction shows as successful, that doesn’t necessarily mean it’s completely irreversible. In the past, the network needed more time to confirm that a transaction was fully finalized.

Alpenglow aims to speed up that process significantly.

Why does this matter?

The faster transactions are confirmed, the sooner exchanges can credit users’ deposits, merchants can confirm payments, and cross-chain bridges may be able to reduce the wait for asset transfers.

The upgrade will also change how validators vote. Previously, validator votes were recorded as on-chain transactions. After the upgrade, these votes will instead be exchanged off-chain, reducing the amount of voting data in blocks and freeing up more space for user transactions.

But there’s one detail to keep in mind:

150 milliseconds is currently a target for the upgrade. It doesn’t mean every transaction will consistently reach that speed under all network conditions. Also, after the upgrade, Solana’s reported total transaction count may drop significantly because validator votes will no longer count as on-chain transactions. That doesn’t necessarily mean user activity has declined.

📌 What really matters isn’t just how much faster Solana gets, but whether faster finality can improve the experience of payments, trading, and cross-chain applications—and attract more developers and users.

If the upgrade rolls out smoothly, Solana’s infrastructure could become even stronger. But how much growth it ultimately brings to the ecosystem remains to be seen.
#solana #Alpenglow