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Two days after the largest crypto theft on record, Binance says it has restored the backing for about 90% of the roughly $6.3 billion in tokens drained from its hot wallets, and that it remains on track to reopen customer withdrawals on Sunday, November 1, subject to final security checks. The update, reported Saturday by CNBC and CoinDesk, moves the story from "how bad is it" to a sharper question for the whole industry: what does it take for an exchange to absorb a multibillion-dollar loss without passing it on to customers?
One distinction matters from the start. As CNBC points out, "covered" does not mean "recovered." Binance has not clawed 90% back from the attacker. It has used its own money to buy replacement tokens so that customer balances are fully backed again.
What Binance Has Replaced So Far
According to Binance's statement, customer holdings of the ten most important assets on the platform are now fully backed: bitcoin, ether, USDT, BNB, SOL, USDC, XRP, USD1, RLUSD and ZEC. "Binance will absorb the financial impact of these stolen funds, not our users," the exchange said.
CoinDesk reports the coverage figure rose from about 80% in Binance's previous update. The remaining 10% is made up of smaller tokens outside the top ten that the exchange describes as less liquid and slower to source in size. Binance says it will keep buying them on public markets and through over-the-counter desks until every token is 100% backed.
The money is coming from three places, per CNBC: the exchange's Secure Asset Fund for Users (SAFU), part of its futures insurance fund, and its corporate treasury. The Block reports Binance had earmarked more than $6.34 billion in company funds and reserves, including about $5 billion already held in the affected cryptocurrencies, with the remaining $1.3 billion or so being bought in the market. That cushion is separate from roughly $3 billion in stolen assets that industry partners, including Tether, Circle, Ripple and World Liberty Financial, have frozen.
How the Attack Happened, and Who May Be Behind It
The mechanics are still not fully clear. Binance initially said the incident may have involved a compromised DevOps engineer's laptop that gave an attacker access to a service container, from which unauthorized withdrawal transactions were submitted. The Block reports the exchange found no evidence that wallet private keys leaked. Co-CEO Richard Teng later said the attack involved a more complex process than the misuse of one engineer's permissions, according to CNBC.
Binance has not named the attacker. Blockchain intelligence firm TRM Labs, however, attributed the theft "with high confidence" to TraderTraitor, a North Korean state-sponsored hacking unit, CoinDesk reports. The FBI blamed the same group for the $1.5 billion Bybit theft in February 2025. TRM told CNBC that the attack shares hallmarks with earlier North Korea-linked heists, including small Tornado Cash withdrawals funding an operator wallet, staging that started well before the theft, and transaction signatures collected in advance and then executed in a single burst.
The scale is hard to overstate. CoinDesk counts 18,270 BTC among the stolen assets, worth about $1.4 billion at $78,500 per coin. That is more than Tesla's 11,509 BTC, more than twice the roughly 7,820 BTC in El Salvador's published reserve wallets, and within 442 coins of SpaceX's disclosed 18,712 BTC.
Markets Took the Hit, Then Steadied
The initial reaction was sharp. CNBC reported on Friday that bitcoin fell 4.1% to about $77,446, ether dropped 4.4% to $2,229.50, and Binance's own BNB token slid 6% to $701.18. By the end of the UTC day on October 30, the selling had eased: Basis Desk logged bitcoin closing near $77,160, down 0.8%, with BNB slightly higher and a Fear & Greed reading of 30, firmly in "fear" territory. According to OpenBitcoin's daily data, bitcoin was down about 7.6% for October through the 30th.
Why It Matters for Business
For companies that hold crypto, accept it, or build on top of exchanges, this episode carries several lessons that go beyond Binance.
- Balance sheet depth is the real backstop. Binance can make customers whole because it had billions in reserves and an insurance fund built for exactly this. Smaller platforms facing a loss of similar proportions might not survive it. Counterparty due diligence should ask not only "is it secure?" but "what happens if it isn't?"
- Withdrawal freezes are an operating risk. Binance kept deposits open but suspended withdrawals for days, according to The Block. Any business that relies on a single exchange for treasury or payment flows should plan for a multi-day lockout.
- The weakest link is often an endpoint, not the blockchain. Whatever the final forensic picture, the early account points to an employee device and internal infrastructure rather than broken cryptography. That mirrors what security teams see across industries: privileged access and developer machines are prime targets.
- Stablecoin issuers are becoming first responders. About $3 billion was frozen by partners including stablecoin issuers, The Block reports. That ability to freeze tokens is a double-edged feature businesses should understand before choosing which assets to hold.
There is also a reputational calculation at work. By committing to absorb the loss and publishing measurable progress, Binance is trying to keep a security failure from turning into a solvency scare or a bank run. Sunday's withdrawal restart will be the real test of whether customers believe it.
The Bottom Line
Binance has moved quickly to refill its customers' balances, with the top ten assets fully backed and about 90% of the $6.3 billion loss covered from its own reserves. The open questions are how the attackers got in, whether more of the stolen funds can be frozen or traced, and whether withdrawals reopen smoothly on Sunday. For every business with exposure to crypto platforms, the episode is a reminder to diversify counterparties and to treat an exchange's reserves as seriously as its security.
Sources: CNBC, October 31, 2026; CoinDesk, October 31, 2026; CoinDesk, October 31, 2026; The Block, October 31, 2026; CNBC, October 30, 2026; Basis Desk; OpenBitcoin.
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Edited by Coron @QUE.COM
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Articles published by QUE.COM Intelligence via Yehey.com website.
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