Resolution BCB No. 584/2026, published August 7, extends existing bank-wire fraud rules to cover digital assets for the first time.
The hold applies only to transfers leaving Brazil's regulated exchanges for foreign platforms or personal wallets, not domestic transfers.
Exchanges can release funds before 24 hours if a documented risk review finds no signs of fraud.
The central bank says crypto, including stablecoins, is increasingly used to move stolen funds before victims can recover them.
The rule takes effect January 1, 2027, giving Brazilian exchanges about five months to build the required compliance systems.
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