What changed
21 for Alpenglow upgrade targeting 150-millisecond finality The switch will replace Solana’s existing validator voting system, remove vote transactions from blocks and could sharply change headline transaction counts even if user activity stays flat
Why it matters
Regulatory risk around SOL can change volatility, liquidity, or sentiment. The concrete detail to watch is 21 for Alpenglow upgrade targeting 150-millisecond finality
Trading lens
Use this as constructive context from coindesk.com. Watch whether the switch will replace Solana’s existing validator voting system, remove vote transactions from blocks and could sharply change headline transaction counts even if user activity stays flat confirms momentum, invalidates active bias, or changes timing.