--- title: "Binance breach of about $6.3 billion sends bitcoin and ether lower" description: "CoinDesk reported that bitcoin and ether slid after a suspected security breach at Binance involving about $6.3 billion. The same report said Standard…" language: en canonical: "https://whycoinmoves.com/en/events/ethereum-6-billion-binance-hack-sends-2f4bf6f5ca38bf" published: 2026-10-30T04:02:57.000Z updated: 2026-10-30T05:03:02.000Z indexable: true --- # Binance breach of about $6.3 billion sends bitcoin and ether lower CoinDesk reported that bitcoin and ether slid after a suspected security breach at Binance involving about $6.3 billion. The same report said Standard… Attributed sources: [CoinDesk]() ## Key facts CoinDesk reported that bitcoin and ether slid after a suspected security breach at Binance involving about $6.3 billion. The same report said Standard Chartered expects crypto prices to stay under pressure before finding a base. Evidence strength: Single source, 1 publisher group(s) (CoinDesk). After site detection, observed returns were 5 minutes: -0.07% (difference from BTC +0.02 pp; Oct 30, 2026, 04:02 → Oct 30, 2026, 04:07, UTC; Gate · USDT); 1 hour: +0.74% (difference from BTC +0.17 pp; Oct 30, 2026, 04:02 → Oct 30, 2026, 05:02, UTC; Gate · USDT) In the preceding 30 days, the 99th percentile of absolute hourly returns was 1.68% (OKX · USDT; cutoff Oct 30, 2026, 04:02, UTC). ## Returns after site detection | Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source | | --- | --- | --- | --- | --- | --- | | 5 minutes | -0.07% | -0.09% | +0.02 pp | Oct 30, 2026, 04:02 → Oct 30, 2026, 04:07 | Gate · USDT | | 1 hour | +0.74% | +0.57% | +0.17 pp | Oct 30, 2026, 04:02 → Oct 30, 2026, 05:02 | Gate · USDT | ## Historical hourly baseline | Metric | Value | | --- | --- | | Coverage | 100.0% (720/720) | | Median absolute hourly return | 0.20% | | 99th percentile of absolute hourly returns | 1.68% | | BTC beta | 1.22 | | Source / cutoff (UTC) | OKX · USDT / Oct 30, 2026, 04:02 | ## Claims and open questions - CoinDesk reported that bitcoin and ether fell after a suspected $6.3 billion Binance security breach. - According to CoinDesk, Standard Chartered said crypto prices may remain under pressure before finding a base. - What Binance has said officially about the suspected breach and the roughly $6.3 billion figure. - Which assets or wallets were affected in the incident, per on-chain data or a Binance statement. ## Source evidence - [$6 billion Binance hack sends bitcoin, ether tumbling; Standard Chartered expects more pain]() — CoinDesk; published Oct 30, 2026, 04:00; received Oct 30, 2026, 04:02 (UTC). ## Recent ETH events and market reactions - [CFTC chair says AI agents could challenge rules built around human traders]() — Published Oct 29, 2026, 04:39 (UTC) · Single source (1 publisher) · Regulation · 5m +0.05% / 1h +0.31% / 24h -3.17% - [Bitmine adds 10,452 ETH, reaching 4.95% of Ethereum supply]() — Published Oct 26, 2026, 14:12 (UTC) · Multiple publishers (2 publishers) · Market watch · 5m +0.47% / 1h +0.73% / 24h +0.61% - [Ethereum delays Glamsterdam Hoodi testnet fork over gas security flaws]() — Published Oct 23, 2026, 04:59 (UTC) · Multiple publishers (3 publishers) · Project updates · 5m +0.18% / 1h +0.24% / 24h -0.77% - [Ethereum developers postpone Glamsterdam upgrade on Hoodi testnet]() — Published Oct 22, 2026, 00:00 (UTC) · Official source (1 publisher) · General news · 5m -0.08% / 1h +0.06% / 24h +1.03% - [Draft plan aims to cut Ethereum finality time to about four minutes]() — Published Oct 22, 2026, 12:14 (UTC) · Single source (1 publisher) · Regulation · 5m +0.05% / 24h -0.30% - [Full coin archive]() ## Research for this archive - [Crypto hacks and price impact: Bybit and Cetus case studies]() - [Why is crypto moving? How to check the evidence behind a price explanation]() - [Altcoin beta to Bitcoin: BTC, ETH, SOL and DOGE hourly returns]() - [Will Bitcoin go back up? Every crash since 2011 and its recovery time]() Evidence levels describe source coverage, not the probability that a report is true. Price moves and their timing cannot establish a cause; minute samples show an observed interval and alert thresholds are heuristics. Explanations are model-assisted, with citations and figures checked. Source titles stay in their original language; full articles are not republished. [Methods and limitations]()