Itaú Unibanco, Brazil’s largest private lender, has filed notice with the country’s central bank covering its cryptocurrency trading and custody business, making it the first bank to bring those operations inside the new digital-asset rulebook.

The submission was completed on Tuesday, ahead of an Oct. 30 compliance deadline, according to Valor Econômico. The bank’s move places brokerage and safekeeping services that have run since December 2023 on a formal regulatory footing.

Under the framework set by Resolution 520, which took effect Feb. 2, institutions that already hold central bank authorization can register virtual-asset services through a notification process. Dedicated crypto providers without a banking license must instead…