
According to Interpretive Letter 1186, U.S. national banks may hold crypto assets as principal to pay network fees or for testing, subject to prudential regulations.
The U.S. Office of the Comptroller of the Currency (OCC) issued Interpretive Letter 1186 affirming that national banks can hold and use cryptocurrencies as principal to pay blockchain network fees, facilitating lawful operations. The guidance also allows holding assets for testing purposes, provided institutions comply with applicable regulations and operate prudently. These permissions aim to support operational needs in blockchain participation while emphasizing regulatory compliance and sound risk management.