---
title: "Cysic suspends bridge after attacker mints tokens and moves $727,000 to Ethereum"
description: "2026-10-18 The Block 보도. 감지 후 1시간 동안 ETH +0.40%. The Block: “The attacker, after minting 10 million CYS, managed to bridge about $727,000 in proceeds to Ethereum through Mayan, deBridge and SWFT's Bridgers.” 감지 후 1시간 동안 ETH +0.40% 변동 관측. 시세 관측은 인과관계를 입증하지 않습니다."
language: ko
canonical: "https://whycoinmoves.com/ko/events/ethereum-cysic-suspends-bridge-after-attacker-b40db864cbf47a"
published: 2026-10-20T09:11:04.000Z
updated: 2026-10-20T12:38:59.000Z
indexable: false
---

# Cysic suspends bridge after attacker mints tokens and moves $727,000 to Ethereum

2026-10-18 The Block 보도. 감지 후 1시간 동안 ETH +0.40%. The Block: “The attacker, after minting 10 million CYS, managed to bridge about $727,000 in proceeds to Ethereum through Mayan, deBridge and SWFT's Bridgers.” 감지 후 1시간 동안 ETH +0.40% 변동 관측. 시세 관측은 인과관계를 입증하지 않습니다.

Attributed sources: [The Block](<https://www.theblock.co/news/defi/2026-10-18-cysic-suspends-bridge-after-attacker-mints-tokens-and-moves-727000-to-ethereum-418863>)

## Key facts

The Block: “The attacker, after minting 10 million CYS, managed to bridge about $727,000 in proceeds to Ethereum through Mayan, deBridge and SWFT's Bridgers.” 감지 후 1시간 동안 ETH +0.40% 변동 관측. 시세 관측은 인과관계를 입증하지 않습니다.
Evidence strength: 단일 출처, 1 publisher group(s) (The Block); this describes source coverage, not truth or causation.
감지 후 관측 수익률: 5분: -0.01% (BTC 대비 차이 +0.01 %p; 20/10/2026, 09:11 → 20/10/2026, 09:16, UTC; OKX · USDT); 1시간: +0.40% (BTC 대비 차이 +0.16 %p; 20/10/2026, 09:11 → 20/10/2026, 10:13, UTC; OKX · USDT). 표시되지 않은 구간은 아직 데이터가 없습니다.
직전 30일간 시간별 절대 수익률의 99번째 백분위수는 1.46% (OKX · USDT; 기준 20/10/2026, 09:11, UTC)입니다. 시간 단위 기준선은 분 단위 변동과 직접 비교할 수 없습니다.

## Returns after site detection

| Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source |
| --- | --- | --- | --- | --- | --- |
| 5분 | -0.01% | -0.02% | +0.01 %p | 20/10/2026, 09:11 → 20/10/2026, 09:16 | OKX · USDT |
| 1시간 | +0.40% | +0.24% | +0.16 %p | 20/10/2026, 09:11 → 20/10/2026, 10:13 | OKX · USDT |
| 24시간 | — | — | — | — | — |

## Historical hourly baseline

| Metric | Value |
| --- | --- |
| Ready | true |
| Coverage | 100.0% (720/720) |
| Median absolute hourly return | 0.19% |
| 99th percentile of absolute hourly returns | 1.46% |
| BTC beta | 1.12 |
| Source / cutoff (UTC) | OKX · USDT / 20/10/2026, 09:11 |

## Claims and open questions

- No independently verified causal explanation is available.

## Source evidence

- [Cysic suspends bridge after attacker mints tokens and moves $727,000 to Ethereum](<https://www.theblock.co/news/defi/2026-10-18-cysic-suspends-bridge-after-attacker-mints-tokens-and-moves-727000-to-ethereum-418863>) — The Block; published 18/10/2026, 16:07; received 20/10/2026, 09:11 (UTC).


## Recent ETH events and market reactions

아직 게시 기준을 충족한 다른 ETH 이벤트가 없습니다.

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

## Research for this archive

- [Crypto hacks and price impact: Bybit and Cetus case studies](<https://whycoinmoves.com/ko/research/crypto-security-exploits-and-evidence-evolution.md>)
- [Altcoin beta to Bitcoin: BTC, ETH, SOL and DOGE hourly returns](<https://whycoinmoves.com/ko/research/hourly-returns-and-bitcoin-beta.md>)
- [Perpetual funding rates and annualized yield: a 2025 comparison](<https://whycoinmoves.com/ko/research/funding-rates-versus-investor-returns.md>)
- [Crypto listing and delisting effects: an OKX price study](<https://whycoinmoves.com/ko/research/exchange-listing-and-delisting-price-reactions.md>)

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