October 31, 2026
Binance flagged a potential security issue on Friday and said approximately $6.3 billion may have been affected, prompting an investigation by the cryptocurrency exchange.
Binance announced that it had identified a potential security issue and began investigating the matter. The exchange said the estimated impact was approximately $6.3 billion, a figure that makes the issue one of the potentially largest reported security events in the cryptocurrency market.
The disclosure came without a complete public accounting of what happened. The verified information available at the time of publication did not set out a detailed timeline, identify an attacker, or explain precisely how the reported figure was calculated.
