M2 Exchange Hack

REPORTED LOSS $13.7M
High Unauthorized Wallet Outflows bitcoin ethereum solana

What happened

M2 suffered a $13.7 million cybersecurity incident on October 31, 2024, affecting assets on Bitcoin, Ethereum and Solana. In its November 1 statement, quoted by Crypto.news, the exchange said customer funds had been restored and services were operational. That statement does not establish how much stolen cryptocurrency was recovered.

Technical Root Cause

The available reporting establishes unauthorized wallet outflows but does not establish the initial intrusion or key-compromise method.

Case & protocol details

Classification CeFi / Infrastructure

How it happened

  1. Unauthorized outflows affected M2's exchange wallets across Bitcoin, Ethereum and Solana.
  2. M2 responded to the incident and announced additional controls.
  3. The exchange said it would take responsibility for potential losses and cooperate with relevant authorities.

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