# Solana Launches Alpenglow Upgrade, Achieves Record-Breaking Block Finality Under 150ms

Solana has officially introduced Alpenglow, a major upgrade to its consensus protocol that significantly increases transaction finality speed. The new system replaces TowerBFT and Proof-of-History (PoH) with two new components, Votor and Rotor, enabling block confirmations in just 100 to 150 millise

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| Published | 23 May 2025 |

Source: https://egamers.io/solana-launches-alpenglow-upgrade-achieves-record-breaking-block-finality-under-150ms/