Solana targets 150ms transaction finality with Oct. 21 upgrade

October 21 is reserved for the launch of Alpenglow, a protocol upgrade that aims to guarantee an irrevocable transaction in less than 150 milliseconds and remove the TowerBFT voting system the platform has used since 2020. Why the speed of finality matters While a Solana transaction may already become successful instantaneously, the difference is in...