Solana starts testing upgrade that could cut finality from 12.8 seconds to 150 milliseconds
Why now
Thesis: Solana targets payment-grade speed to widen real usage
Catalyst to watch: Upgrade test results and mainnet rollout timing
Main risk: Upgrade may stall or fail in testing
Why it matters
Faster finality makes Solana payments and bridging more practical, potentially increasing on-chain usage and demand for SOL.
Details
Alpenglow would let exchanges, bridges and merchants treat payments as irreversible almost immediately.
Sources
- coindesk · 2026-09-23 05:16 UTC