Solana is preparing for a bold move that could redefine blockchain speed.
A new upgrade named Alpenglow… and the results could be unprecedented.
According to BlockBeats, Solana is working on a radical update to the consensus mechanism aimed at finalizing transactions in less than a second. Yes, less than a second.
What is actually changing?
• Goodbye to Tower BFT and Proof of History
• Hello to a smarter and faster system
Alpenglow is based on two main pillars:
1) Votor
A lighter and faster voting system.
Instead of long voting rounds, votes are aggregated off-chain and then confirmed in one go.
The result?
Finality for the block in:
100 to 150 milliseconds
Instead of:
12.8 seconds previously
If the block receives support exceeding 80% of the stake power, it is confirmed immediately.
And if the support is lower, there is a smart second path to ensure security without sacrificing speed.
2) Rotor
A complete redesign of the block propagation mechanism.
The priority becomes for nodes with higher stakes and stronger connectivity.
The goal is clear:
To propagate the block with maximum efficiency and minimal delay.
Tests indicate the possibility of propagating the block in just 18 milliseconds.
What does this mean for the future of Solana?
A faster network.
Near-instant finality.
A more professional architecture for massive applications, DeFi, and Web3.
The rollout will be gradual, with an expected start between early and mid-2026.
But the message is clear from now on:
Solana is not developing… Solana is leaping.
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