When Is a Hack a Defense? Custodial Liability, Issuer Freezes and the Public Loss after the Binance Theft of 29 October 2026
On 29 October 2026, about $6.36 billion was taken from Binance's hot wallets across ten blockchains.
Binance
Company · 6 documents
Key number
42.24 percentage points
Increase in 90-Day Delisting Probability. OpenAlex (recherche mondiale) p.16
Key number
USD 6.30–6.43 billion
Binance breach estimated gross loss. OpenAlex (recherche mondiale) p.1
Key number
USD 6.3 billion USD
Binance estimated unauthorized outflows. OpenAlex (recherche mondiale) p.5
Exchange Warnings and Crypto Prices: Evidence from Monitoring Tags
Binance published 167 monitoring tags across 26 announcements between July 2023 and October 2026, of which 155 were first-time tags.
The Asymmetric Attack Surface of Fiat Substitutes: A Measurement Framework and Owner-Bound Offline Custody Architecture
In 2019, Federal Bureau of Investigation data recorded USD 1.424 billion in reported stolen currency and USD 36.981 million recovered relative to USD 1.7598 trillion of U.S. currency in circulation.
Stablenotes v1 Whitepaper — Owner-Bound Offline Transaction Authorization for Stablecoins and Tokenized Assets
The 29 October 2026 Binance incident resulted in an estimated USD 6.3 billion in unauthorized hot-wallet outflows with initial findings showing no evidence of a private-key leak.
Anatomy of the Binance Hot-Wallet Breach of 29 October 2026
An attacker moved roughly US$6.3 billion out of Binance wallets across ten blockchains, with most funds leaving within about 20 minutes starting at 20:05 UTC on 29 October 2026.
Capital Flow Management Measures in the Digital Age: Challenges of Crypto Assets
Globally, the scale of crypto assets remains relatively small at $2–$3 trillion, or about 1 percent of total market value of financial assets.