ZachXBT puts alleged Crédit Mutuel Arkéa theft above $133 million

According to onchain investigator ZachXBT , French cooperative bank Crédit Mutuel Arkéa has been identified as the alleged victim of a cryptocurrency theft totaling more than $133 million . He named the bank on November 3, 2026, after tracing withdrawals from several centralized exchange accounts. The allegation rests on his analysis, rather than on confirmation from the bank or authorities. Key takeaways ZachXBT traced an additional $27 million after his initial report. The alleged withdrawals involved USDC and USDT. Funds moved through instant exchanges, Monero conversions and blockchain bridges. Kraken restricted associated accounts and denied a breach of its systems.