--- title: "Binance confirms hack with estimated $6.3 billion total impact" description: "Binance confirmed a security breach it estimates at $6.3 billion in total impact, Bitcoin Magazine reported, citing the exchange's post on X. Binance said…" language: en canonical: "https://whycoinmoves.com/en/events/bitcoin-bitcoin-price-briefly-slides-76-0f93286f21451c" published: 2026-10-30T04:07:06.000Z updated: 2026-10-30T05:08:02.000Z indexable: true --- # Binance confirms hack with estimated $6.3 billion total impact Binance confirmed a security breach it estimates at $6.3 billion in total impact, Bitcoin Magazine reported, citing the exchange's post on X. Binance said… Attributed sources: [Bitcoin Magazine]() ## Key facts Binance confirmed a security breach it estimates at $6.3 billion in total impact, Bitcoin Magazine reported, citing the exchange's post on X. Binance said about $3 billion has been frozen onchain, that all losses will be covered from its SAFU fund and company funds, and that no wallet private key leak has been found. Bitcoin briefly fell to about $76,300. Evidence strength: Single source, 1 publisher group(s) (Bitcoin Magazine). After site detection, observed returns were 5 minutes: +0.18% (Oct 30, 2026, 04:07 → Oct 30, 2026, 04:12, UTC; Gate · USDT); 1 hour: +0.67% (Oct 30, 2026, 04:07 → Oct 30, 2026, 05:07, UTC; Gate · USDT) In the preceding 30 days, the 99th percentile of absolute hourly returns was 1.27% (OKX · USDT; cutoff Oct 30, 2026, 04:07, UTC). ## Returns after site detection | Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source | | --- | --- | --- | --- | --- | --- | | 5 minutes | +0.18% | +0.18% | 0.00 pp | Oct 30, 2026, 04:07 → Oct 30, 2026, 04:12 | Gate · USDT | | 1 hour | +0.67% | +0.67% | 0.00 pp | Oct 30, 2026, 04:07 → Oct 30, 2026, 05:07 | Gate · USDT | ## Historical hourly baseline | Metric | Value | | --- | --- | | Coverage | 100.0% (720/720) | | Median absolute hourly return | 0.14% | | 99th percentile of absolute hourly returns | 1.27% | | BTC beta | 1.00 | | Source / cutoff (UTC) | OKX · USDT / Oct 30, 2026, 04:07 | ## Claims and open questions - Binance said on X that the estimated total impact sits at around $6.3 billion, that roughly $3 billion has been frozen onchain, and that it will cover all losses from the SAFU fund and the company's funds. - Binance said its initial investigation suggests the incident may involve a compromised DevOps engineer's laptop and that the attacker reportedly gained access to a service container and submitted unauthorized withdrawal transactions; the exchange found no evidence of a wallet private key leak. - Bitcoin Magazine reported that Tether CEO Paolo Ardoino said Tether froze more than 1.567 billion USDT, and that Circle also froze USDC tied to the suspected attacker. - What the final breakdown of the $6.3 billion impact is across user funds, frozen assets and unrecovered amounts, and what Binance's detailed technical post-mortem shows once published. - Which addresses and parties were behind the unauthorized withdrawals, and what law enforcement or exchange notices confirm their identities. ## Source evidence - [Bitcoin Price Briefly Slides to $76,300 as Binance Confirms Hack Estimated at $6.3 Billion]() — Bitcoin Magazine; published Oct 30, 2026, 04:05; received Oct 30, 2026, 04:07 (UTC). ## Recent BTC events and market reactions - [Binance hacker moves $1.4 billion of bitcoin into 19 wallets]() — Published Oct 30, 2026, 04:50 (UTC) · Single source (1 publisher) · Security · 5m -0.07% / 1h +0.28% - [Binance hit by suspected $6.3 billion security breach as crypto prices slide]() — Published Oct 30, 2026, 04:00 (UTC) · Single source (1 publisher) · Security · 5m -0.09% / 1h +0.57% - [Strategy reports record $20.91 billion operating income for Q3 2026]() — Published Oct 29, 2026, 23:18 (UTC) · Single source (1 publisher) · General news · 5m -0.07% / 1h -1.96% - [Bitcoin falls below $79,000 as suspected Binance hack roils markets]() — Published Oct 29, 2026, 23:06 (UTC) · Multiple publishers (3 publishers) · Security · 5m +0.01% / 1h -1.21% - [Bank of Russia approves NAUFOR as first self-regulatory body for crypto exchanges]() — Published Oct 29, 2026, 15:03 (UTC) · Single source (1 publisher) · General news · 5m +0.14% / 1h +0.70% - [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]()