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Binance Suffers $6.3 Billion Theft Amid Security Concerns

Binance Suffers $6.3 Billion Theft Amid Security Concerns

First seen 31 Oct 2026, 19:42 UTC • •
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ThreatCluster AI
ThreatCluster •October 31, 2026 at 21:13 UTC
  • •Binance confirmed a $6.3 billion theft from its hot wallets on October 29, 2026.
  • •The breach may have involved unauthorized access to internal systems, not just compromised keys.
  • •Market reactions included a significant drop in Bitcoin prices and forced liquidations totaling $1.5 billion.

On October 29, 2026, Binance confirmed a breach resulting in the theft of approximately $6.3 billion from its hot wallets, affecting Bitcoin, Ethereum, and various tokens. The incident is believed to have involved unauthorized access to the systems of a developer or operations staff member, allowing attackers to initiate withdrawal requests. Binance has frozen about $3 billion of assets and stated that no wallet private keys were leaked. The market reacted sharply, with Bitcoin dropping to around $76,400 and forced liquidations in futures markets totaling $1.5 billion. Charles Hoskinson, founder of Cardano, warned of dangerous code related to the exploit, particularly concerning Ethereum's EIP-7702 delegation feature. The investigation into the breach is ongoing, with a focus on Binance's internal approval systems and potential exploitation of account permissions. The incident has raised significant concerns about custody practices and reserve transparency in the cryptocurrency market.

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Timeline

2026-10-29
Binance breach confirmed
Binance reported a $6.3 billion theft from its hot wallets, affecting multiple cryptocurrencies. The breach is under investigation.
Kucoin
2026-10-30
Charles Hoskinson warns of dangerous code
Hoskinson highlighted risks associated with Ethereum's EIP-7702 delegation feature in relation to the Binance exploit.
Tokenpost
2026-10-30
Binance updates on asset freezes
Binance announced that $3 billion had been frozen on-chain following the breach and that the investigation was ongoing.
Tokenpost

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Common questions

What cryptocurrencies were affected?
The breach affected Bitcoin, Ethereum, stablecoins, and various smaller tokens.
What measures is Binance taking?
Binance has frozen approximately $3 billion in assets and is conducting an ongoing investigation into the breach.
How did the market react to the breach?
Bitcoin's price dropped to around $76,400, and forced liquidations in futures markets totaled $1.5 billion.