---
title: "Bitcoin Wallet Maker Keystone Pulls Devices as Stolen Key Opens Door to Fakes"
description: "2026-10-27にDecryptが報道。 Decrypt: “Attackers obtained the factory key that proves Keystone's hardware wallets are genuine, and 25,964 buyer records were…"
language: ja
canonical: "https://whycoinmoves.com/ja/events/bitcoin-bitcoin-wallet-maker-keystone-pulls-8b5c3ef3b471a6"
published: 2026-10-27T18:18:57.000Z
updated: 2026-10-27T19:19:02.000Z
indexable: false
---

# Bitcoin Wallet Maker Keystone Pulls Devices as Stolen Key Opens Door to Fakes

2026-10-27にDecryptが報道。 Decrypt: “Attackers obtained the factory key that proves Keystone's hardware wallets are genuine, and 25,964 buyer records were…

Attributed sources: [Decrypt](<https://decrypt.co/381983/bitcoin-wallet-keystone-devices-destroyed-stolen-key>)

## Key facts

Decrypt: “Attackers obtained the factory key that proves Keystone's hardware wallets are genuine, and 25,964 buyer records were affected. The company says recovery phrases and private keys were not involved.” 検知後1時間でBTCは+0.03%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) (Decrypt).
検知後の観測リターン：5分: +0.08% (2026-10-27 18:18 → 2026-10-27 18:23, UTC; Gate · USDT)；1時間: +0.03% (2026-10-27 18:18 → 2026-10-27 19:18, UTC; Gate · USDT)。
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1.01%（OKX · USDT；基準 2026-10-27 18:18, UTC）です。

## Returns after site detection

| Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source |
| --- | --- | --- | --- | --- | --- |
| 5分 | +0.08% | +0.08% | 0.00 pt | 2026-10-27 18:18 → 2026-10-27 18:23 | Gate · USDT |
| 1時間 | +0.03% | +0.03% | 0.00 pt | 2026-10-27 18:18 → 2026-10-27 19:18 | Gate · USDT |

## Historical hourly baseline

| Metric | Value |
| --- | --- |
| Coverage | 100.0% (720/720) |
| Median absolute hourly return | 0.15% |
| 99th percentile of absolute hourly returns | 1.01% |
| BTC beta | 1.00 |
| Source / cutoff (UTC) | OKX · USDT / 2026-10-27 18:18 |

## Claims and open questions

- No independently verified causal explanation is available.

## Source evidence

- [Bitcoin Wallet Maker Keystone Pulls Devices as Stolen Key Opens Door to Fakes](<https://decrypt.co/381983/bitcoin-wallet-keystone-devices-destroyed-stolen-key>) — Decrypt; published 2026-10-27 18:16; received 2026-10-27 18:18 (UTC).


## Recent BTC events and market reactions

公開基準を満たした他のBTCイベントはまだありません。

- [Full coin archive](<https://whycoinmoves.com/ja/coins/bitcoin>)

## 関連リサーチ

- [Crypto hacks and price impact: Bybit and Cetus case studies](<https://whycoinmoves.com/ja/research/crypto-security-exploits-and-evidence-evolution.md>)
- [Why is crypto moving? How to check the evidence behind a price explanation](<https://whycoinmoves.com/ja/research/how-to-check-why-crypto-is-moving.md>)
- [Altcoin beta to Bitcoin: BTC, ETH, SOL and DOGE hourly returns](<https://whycoinmoves.com/ja/research/hourly-returns-and-bitcoin-beta.md>)
- [Will Bitcoin go back up? Every crash since 2011 and its recovery time](<https://whycoinmoves.com/ja/research/bitcoin-crash-recovery-time.md>)

根拠レベルは情報源のカバー範囲を示し、報道が真である確率ではありません。価格変動とそのタイミングだけでは原因を証明できません。分足サンプルは観測区間を示し、アラート閾値は経験的な基準です。解説はモデル支援で作成し、引用と数値を確認しています。情報源タイトルは原語のまま表示し、記事全文は転載しません。 [Methods and limitations](<https://whycoinmoves.com/ja/methodology>)
