Solana Alpenglow finality: 7 s to 0.4 s
Key finding
“As of 23 October 2026, Solana's median finality is 404 ms over the preceding 24 hours (p90 579 ms, p99 765 ms, 357,000 measured slots), down from about 7 seconds under Tower BFT.”
Alpenglow cut Solana's median finality from about 7 s to 404 ms on mainnet. Live wall-clock data, why it is 17x and not 85x, and how Solana ranks now.