Citibank plans to launch institutional-grade Bitcoin custody infrastructure this year, aiming to integrate Bitcoin into its existing reporting, tax, and custody systems. The bank intends to hold clients' Bitcoin directly and employ control measures similar to those used for traditional assets, conducting transactions through familiar channels like SWIFT. In addition to custody, Citibank is exploring cross-margin mechanisms, which would allow Bitcoin to be used as collateral alongside traditional assets, potentially expanding its role in institutional portfolios.