Citigroup has made a major move. Aiming for the second half of 2026, it announced a plan to integrate Bitcoin custody into its core banking operations. This is not just an addition of a crypto-asset service—it’s about treating Bitcoin at the same level as stocks and bonds.

With $30 trillion in assets under management, Citigroup will build infrastructure for institutional investors. Pension funds, insurance companies, and asset management firms will be able to hold Bitcoin within the same framework as existing financial assets. Nisha Sreeram, Head of Digital Asset Custody Development, clearly positioned it as “making Bitcoin operable in banks.”

Looking at the service offering, it’s not just custody. It will provide everything—from key management, wallet systems, and tax reporting to regulatory compliance tools and risk management processes. Clients won’t need to manage private keys or one-time addresses themselves. Citigroup will handle everything within its core banking setup.

The infrastructure is serious, too. 24/7 operation, SWIFT-compatible international transfers, and API integration with existing workflows. For large investors who have avoided Bitcoin due to operational complexity, essentially all barriers will be removed.

BNY and JPMorgan are also entering the custody services space, but Citigroup’s approach is a step above. It isn’t just integrating Bitcoin into a standalone crypto product—it integrates Bitcoin into the entire asset management business system. If institutional investors allocate capital to Bitcoin through Citigroup accounts, the same reporting, compliance, and risk management used for other asset classes will apply. There will be no need for separate platforms, parallel workflows, or operational exceptions.

Since spot Bitcoin ETFs were approved in the U.S., institutional interest in Bitcoin has surged rapidly. In the past year alone, multiple major companies have added Bitcoin to their balance sheets. With top-tier global financial institutions providing Bitcoin custody through core banking functions, it’s virtually certain that Bitcoin will become established as a long-term institutional investment asset. This could be a significant turning point for the market.