---
title: "Anza’s Alpenglow goes live on Solana, cutting finality to 150 milliseconds"
description: "2026-10-21にThe Blockが報道。検知後24時間でSOL -2.17%。 The Block: “Solana activated Alpenglow, replacing TowerBFT and cutting transaction finality from 12.8 seconds to about 150 milliseconds.” 検知後24時間でSOLは-2.17%変動。価格観測は因果関係を証明しません。"
language: ja
canonical: "https://whycoinmoves.com/ja/events/solana-anza-s-alpenglow-goes-live-e8cc9c46903ef0"
published: 2026-10-21T14:27:52.000Z
updated: 2026-10-22T14:29:21.000Z
indexable: false
---

# Anza’s Alpenglow goes live on Solana, cutting finality to 150 milliseconds

2026-10-21にThe Blockが報道。検知後24時間でSOL -2.17%。 The Block: “Solana activated Alpenglow, replacing TowerBFT and cutting transaction finality from 12.8 seconds to about 150 milliseconds.” 検知後24時間でSOLは-2.17%変動。価格観測は因果関係を証明しません。

Attributed sources: [The Block](<https://www.theblock.co/news/ecosystems/2026-10-21-anzas-alpenglow-goes-live-on-solana-cutting-finality-to-150-milliseconds-421508>)

## Key facts

The Block: “Solana activated Alpenglow, replacing TowerBFT and cutting transaction finality from 12.8 seconds to about 150 milliseconds.” 検知後24時間でSOLは-2.17%変動。価格観測は因果関係を証明しません。
Evidence strength: 単一情報源, 1 publisher group(s) (The Block); this describes source coverage, not truth or causation.
検知後の観測リターン：5分: -0.07% (BTC比差 +0.03 pt; 21/10/2026, 14:27 → 21/10/2026, 14:33, UTC; Gate · USDT)；1時間: +1.39% (BTC比差 +0.92 pt; 21/10/2026, 14:27 → 21/10/2026, 15:28, UTC; Gate · USDT)；24時間: -2.17% (BTC比差 +0.69 pt; 21/10/2026, 14:27 → 22/10/2026, 14:27, UTC; Gate · USDT)。記載のない時間枠は未取得です。
直近30日間の時間足絶対リターンの99パーセンタイルは2.01%（OKX · USDT；基準 21/10/2026, 14:27, UTC）です。時間足基準は分単位の変動と直接比較できません。

## Returns after site detection

| Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source |
| --- | --- | --- | --- | --- | --- |
| 5分 | -0.07% | -0.10% | +0.03 pt | 21/10/2026, 14:27 → 21/10/2026, 14:33 | Gate · USDT |
| 1時間 | +1.39% | +0.47% | +0.92 pt | 21/10/2026, 14:27 → 21/10/2026, 15:28 | Gate · USDT |
| 24時間 | -2.17% | -2.86% | +0.69 pt | 21/10/2026, 14:27 → 22/10/2026, 14:27 | Gate · USDT |

## Historical hourly baseline

| Metric | Value |
| --- | --- |
| Ready | true |
| Coverage | 100.0% (720/720) |
| Median absolute hourly return | 0.28% |
| 99th percentile of absolute hourly returns | 2.01% |
| BTC beta | 1.46 |
| Source / cutoff (UTC) | OKX · USDT / 21/10/2026, 14:27 |

## Claims and open questions

- No independently verified causal explanation is available.

## Source evidence

- [Anza’s Alpenglow goes live on Solana, cutting finality to 150 milliseconds](<https://www.theblock.co/news/ecosystems/2026-10-21-anzas-alpenglow-goes-live-on-solana-cutting-finality-to-150-milliseconds-421508>) — The Block; published 21/10/2026, 14:24; received 21/10/2026, 14:27 (UTC).


## Recent SOL events and market reactions

- [SOLはなぜ5分で1.59%下落したのか？根拠・市場データ検証 · 2026-10-20](<https://whycoinmoves.com/ja/events/solana-move-1792509240>) — 受信 20/10/2026, 15:14 (UTC) · 原因未確定 · 価格急変動 · 5m -0.16% / 1h +0.64% / 24h +2.63%
- [Full coin archive](<https://whycoinmoves.com/ja/coins/solana>)

## Research for this archive

- [Altcoin beta to Bitcoin: BTC, ETH, SOL and DOGE hourly returns](<https://whycoinmoves.com/ja/research/hourly-returns-and-bitcoin-beta.md>)
- [Perpetual funding rates and annualized yield: a 2025 comparison](<https://whycoinmoves.com/ja/research/funding-rates-versus-investor-returns.md>)
- [Crypto listing and delisting effects: an OKX price study](<https://whycoinmoves.com/ja/research/exchange-listing-and-delisting-price-reactions.md>)
- [Do token unlocks lower prices? SUI, SOL and high FDV claims](<https://whycoinmoves.com/ja/research/token-unlocks-fdv-and-supply-schedule-claims.md>)

[Methods and limitations](<https://whycoinmoves.com/ja/methodology>)
Publisher count is not independent evidence count. Price changes cannot verify news or prove causation.