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Nov 4, 2026

BitMart confirms hack during wind-down, linked to Mercado Bitcoin attack

BitMart founder Sheldon Xia confirmed a security breach affecting the exchange during its ongoing wind-down and restructuring, with onchain analysis reportedly tying the incident to the larger Mercado Bitcoin attack.

Nov 4, 2026·3 sources

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Top claims

▪A $6.3 billion hack on cryptocurrency exchange Binance represents the largest single exploit in 2026, contributing to total industry losses of $8.776 billion
▪BitMart founder Sheldon Xia confirmed that the cryptocurrency exchange suffered a security breach
▪DefiLlama data shows cryptocurrency exploit losses reached $8.776 billion in 2026, exceeding three times the $2.715 billion stolen in 2025

Topics

Crypto exchanges Crypto hacks Centralized exchange hack Exchange & custodial failures Crypto security

Related entities

Ethereum Mercado Bitcoin Brazil Cayman Islands