---
title: "Ethereum delays Glamsterdam test after security devs flag risk to existing contracts"
description: "2026-10-23 CoinDesk, Cointelegraph 보도. 감지 후 1시간 동안 ETH +0.24%. CoinDesk: “Developers canceled Monday's Hoodi activation after researchers showed how new gas rules could let smart contracts permanently record failed operations.” 감지 후 1시간 동안 ETH +0.24% 변동 관측. 시세 관측은 인과관계를 입증하지 않습니다."
language: ko
canonical: "https://whycoinmoves.com/ko/events/ethereum-ethereum-delays-glamsterdam-test-after-c241dfc26e7def"
published: 2026-10-23T05:07:19.000Z
updated: 2026-10-23T06:08:29.000Z
indexable: false
---

# Ethereum delays Glamsterdam test after security devs flag risk to existing contracts

2026-10-23 CoinDesk, Cointelegraph 보도. 감지 후 1시간 동안 ETH +0.24%. CoinDesk: “Developers canceled Monday's Hoodi activation after researchers showed how new gas rules could let smart contracts permanently record failed operations.” 감지 후 1시간 동안 ETH +0.24% 변동 관측. 시세 관측은 인과관계를 입증하지 않습니다.

Attributed sources: [CoinDesk](<https://www.coindesk.com/tech/2026/10/23/ethereum-delays-glamsterdam-test-after-security-devs-flag-risk-to-existing-contracts>), [Cointelegraph](<https://cointelegraph.com/news/ethereum-delays-glamsterdam-testnet-fork-gas-security-risks>)

## Key facts

CoinDesk: “Developers canceled Monday's Hoodi activation after researchers showed how new gas rules could let smart contracts permanently record failed operations.” 감지 후 1시간 동안 ETH +0.24% 변동 관측. 시세 관측은 인과관계를 입증하지 않습니다.
Evidence strength: 복수 매체 보도, 2 publisher group(s) (CoinDesk, Cointelegraph); this describes source coverage, not truth or causation.
감지 후 관측 수익률: 5분: +0.18% (BTC 대비 차이 +0.08 %p; 23/10/2026, 05:07 → 23/10/2026, 05:12, UTC; Gate · USDT); 1시간: +0.24% (BTC 대비 차이 +0.11 %p; 23/10/2026, 05:07 → 23/10/2026, 06:08, UTC; Gate · USDT). 표시되지 않은 구간은 아직 데이터가 없습니다.
직전 30일간 시간별 절대 수익률의 99번째 백분위수는 1.46% (OKX · USDT; 기준 23/10/2026, 05:07, 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 | +0.18% | +0.11% | +0.08 %p | 23/10/2026, 05:07 → 23/10/2026, 05:12 | Gate · USDT |
| 1시간 | +0.24% | +0.13% | +0.11 %p | 23/10/2026, 05:07 → 23/10/2026, 06:08 | Gate · 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 | 1.19 |
| Source / cutoff (UTC) | OKX · USDT / 23/10/2026, 05:07 |

## Claims and open questions

- No independently verified causal explanation is available.

## Source evidence

- [Ethereum delays Glamsterdam test after security devs flag risk to existing contracts](<https://www.coindesk.com/tech/2026/10/23/ethereum-delays-glamsterdam-test-after-security-devs-flag-risk-to-existing-contracts>) — CoinDesk; published 23/10/2026, 04:59; received 23/10/2026, 05:07 (UTC).
- [Ethereum delays Glamsterdam Hoodi testnet launch over security risks](<https://cointelegraph.com/news/ethereum-delays-glamsterdam-testnet-fork-gas-security-risks>) — Cointelegraph; published 23/10/2026, 05:09; received 23/10/2026, 05:13 (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

- [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>)
- [XRP lawsuit and Ethereum ETFs: reading SEC filings and rulings](<https://whycoinmoves.com/ko/research/regulatory-filings-versus-media-headlines.md>)

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