---
title: "Zcash developers plan a fix to keep ZEC swaps private from future quantum computers"
description: "2026-10-19にCoinDesk, Decryptが報道。検知後1時間でZEC -0.39%。 CoinDesk: “The team behind Zakura wants every swap through NEAR Intents to get its own key, so a refund address left on NEAR’s public chain can’t expose a user’s wider payment history.” 検知後1時間でZECは-0.39%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/zcash-920831319c9771"
published: 2026-10-20T05:36:57.000Z
updated: 2026-10-20T15:07:02.000Z
indexable: false
---

# Zcash developers plan a fix to keep ZEC swaps private from future quantum computers

2026-10-19にCoinDesk, Decryptが報道。検知後1時間でZEC -0.39%。 CoinDesk: “The team behind Zakura wants every swap through NEAR Intents to get its own key, so a refund address left on NEAR’s public chain can’t expose a user’s wider payment history.” 検知後1時間でZECは-0.39%変動。価格観測は因果関係を証明しません。

Attributed sources: [CoinDesk](<https://www.coindesk.com/tech/2026/10/19/zcash-developers-plan-a-fix-to-keep-zec-swaps-private-from-future-quantum-computers>), [Decrypt](<https://decrypt.co/381257/zcash-developer-zakura-proposes-fix-to-stop-quantum-computers-linking-shielded-swaps>)

## Key facts

CoinDesk: “The team behind Zakura wants every swap through NEAR Intents to get its own key, so a refund address left on NEAR’s public chain can’t expose a user’s wider payment history.” 検知後1時間でZECは-0.39%変動。価格観測は因果関係を証明しません。
Evidence strength: 複数メディア報道, 2 publisher group(s) (CoinDesk, Decrypt); this describes source coverage, not truth or causation.
検知後の観測リターン：5分: +0.51% (BTC比差 +0.40 pt; 20/10/2026, 05:37 → 20/10/2026, 05:44, UTC; OKX · USDT)；1時間: -0.39% (BTC比差 -0.29 pt; 20/10/2026, 05:37 → 20/10/2026, 06:38, UTC; OKX · 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4.07%（OKX · USDT；基準 20/10/2026, 05:36, 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 | +0.51% | +0.11% | +0.40 pt | 20/10/2026, 05:37 → 20/10/2026, 05:44 | OKX · USDT |
| 1時間 | -0.39% | -0.10% | -0.29 pt | 20/10/2026, 05:37 → 20/10/2026, 06:38 | OKX · USDT |
| 24時間 | — | — | — | — | — |

## Historical hourly baseline

| Metric | Value |
| --- | --- |
| Ready | true |
| Coverage | 99.9% (719/720) |
| Median absolute hourly return | 0.55% |
| 99th percentile of absolute hourly returns | 4.07% |
| BTC beta | 1.87 |
| Source / cutoff (UTC) | OKX · USDT / 20/10/2026, 05:36 |

## Claims and open questions

- No independently verified causal explanation is available.

## Source evidence

- [Zcash developers plan a fix to keep ZEC swaps private from future quantum computers](<https://www.coindesk.com/tech/2026/10/19/zcash-developers-plan-a-fix-to-keep-zec-swaps-private-from-future-quantum-computers>) — CoinDesk; published 19/10/2026, 05:23; received 20/10/2026, 05:36 (UTC).
- [Zcash Developer Zakura Proposes Fix to Stop Quantum Computers Linking Shielded Swaps](<https://decrypt.co/381257/zcash-developer-zakura-proposes-fix-to-stop-quantum-computers-linking-shielded-swaps>) — Decrypt; published 19/10/2026, 10:11; received 20/10/2026, 05:36 (UTC).


## Recent ZEC events and market reactions

- [ZECはなぜ1分で0.74%下落したのか？根拠・市場データ検証 · 2026-10-23](<https://whycoinmoves.com/ja/events/zcash-move-1792720080>) — 受信 23/10/2026, 01:48 (UTC) · 原因未確定 · 価格急変動 · 5m -0.50% / 1h -0.50%
- [Full coin archive](<https://whycoinmoves.com/ja/coins/zcash>)

## Research for this archive

- [Monero XMR and Zcash ZEC: delistings, liquidity and USD vs USDT](<https://whycoinmoves.com/ja/research/privacy-coin-delistings-and-quote-currency-isolation.md>)

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