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Citigroup is rolling out Bitcoin custody services for institutional clients through a new platform called Custody+, marking one of the most significant entries by a traditional banking giant into crypto infrastructure. The service, announced on August 18, 2026, will let asset managers and other institutional players hold Bitcoin alongside traditional assets on a single unified platform.
For a bank that manages roughly $30 trillion in client assets, even a small percentage of that capital flowing into Bitcoin custody would represent a meaningful shift in how institutional money interacts with crypto.
What Custody+ actually does
The platform handles key management, wallet infrastructure, and safekeeping, essentially doing the heavy lifting so institutional clients don’t have to touch private keys or manage wallets themselves.
Custody+ integrates digital asset holdings with traditional financial services, including custody, settlement, foreign exchange, and cash management. All of it operates with near-real-time and real-time processing capabilities.
The service will launch with Bitcoin only. Citi has indicated plans to expand into additional digital assets as demand warrants, but for now it’s a Bitcoin-first approach.
Three years in the making
The Custody+ platform was developed over roughly three years, according to research on the initiative. Back in October 2025, a Citi executive hinted publicly at an upcoming crypto custody solution aimed at asset managers and institutional clients, describing it as something expected to arrive within the coming quarters.
The move also fits within Citi’s broader digital assets strategy, which now encompasses services for tokenized assets alongside traditional crypto holdings.
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