99% Back Solana’s Alpenglow Upgrade to Slash Transaction Finality to 150ms
Solana validators overwhelmingly support the SIMD-0326 Alpenglow consensus upgrade with 99.60% approval.
The revolutionary consensus mechanism would replace TowerBFT with a direct voting system, reducing block finality from 12.8 seconds to as low as 100-150 milliseconds while achieving Web2-level performance.

Validators Rally Behind Historic Consensus Transformation
Voting began on August 27 across epochs 840-842, with 149.3 million SOL voting in favor compared to just 592,000 SOL opposing the proposal.
Current participation stands at 36.9% of the total supply, with 459 validators casting ballots across stake levels, ranging from small operators to major liquid staking protocols.
The Alpenglow upgrade introduces Votor, a lightweight voting protocol that eliminates on-chain vote transactions through cryptographic signature...