Solana validators last week approved a consensus upgrade for the network that would cut transaction finality dramatically. But some experts are concerned that faster finality brings tradeoffs, including in security.

Over 98% of nodes backed the new Alpenglow upgrade, according to a Sept. 2 post from Solana Status on X. The updated consensus protocol for Solana, developed by Anza, a spinoff from Solana Labs, is expected to bring near-instant finality to transactions, reducing the curre