Citibank promotes "Bitcoin Banking": Striving to launch "Institutional-Grade Custody" and "Cross-Asset Collateral" services this year

Author: Kurumi, Crypto City

Traditional financial giants’ digital transformation: Citigroup pushes Bitcoin banking

Global financial services giant Citigroup is actively expanding its digital asset footprint, planning to deeply integrate Bitcoin into its extensive traditional financial system. According to Nisha Surendran, head of digital asset custody development at Citigroup, during the Strategy World event hosted by Bitcoin Treasury Services this week, the bank is rapidly preparing infrastructure with the goal of making Bitcoin “bankable.”

This initiative is not impulsive; the banking industry leader managing approximately $2.5 trillion in assets has been quietly working behind the scenes for over three years. Biswarup Chatterjee, head of global partnerships and innovation in Citigroup’s services division, noted that the development and testing of related technical architecture have been underway since 2021, reflecting the bank’s cautious and long-term approach to entering the cryptocurrency market.

The new infrastructure is expected to be completed by the end of 2024, with 2026 officially designated as the launch year for institutional-grade crypto custody services. Citigroup’s strategy centers on leveraging its deep roots in over 220 global payment networks to connect existing traditional asset frameworks with blockchain technology.

Nisha Surendran emphasized that Citigroup’s primary mission is to provide core custody and security functions, including enterprise-grade key management systems and enhanced wallet infrastructure.

As demand for public blockchains increases among clients, Citigroup is shifting from a focus solely on private chains to more open blockchain connectivity, aiming to carve out a dedicated green channel for Bitcoin within the traditional custody landscape, which manages assets worth around $30 trillion.

Eliminating operational friction and seamlessly integrating digital assets into existing financial flows

For many large traditional institutions, the main barrier to entering the cryptocurrency industry is often the complexity of underlying technology. Citigroup’s solution is to route Bitcoin transactions through existing command channels such as SWIFT messages and API connections. This approach cleverly masks the complexities of blockchain’s underlying details, allowing institutional clients to manage their digital assets as easily as traditional securities without handling unspent transaction outputs (UTXOs) or managing addresses.

Nisha Surendran pointed out that this service aims to reduce operational friction for institutions, strengthen financial security through custody segregation, and enable crypto assets and traditional holdings to coexist harmoniously under one roof.

In terms of compliance and reporting, Citigroup plans to directly integrate Bitcoin holdings into existing tax workflows and reporting channels. This means institutional investors can evaluate and manage digital holdings alongside stocks and bonds within a unified account structure. This “one-stop” account setup not only improves operational efficiency but also meets strict regulatory requirements for transparency and risk control.

The custody model Citigroup plans to adopt will combine proprietary patented technology with external partnerships to ensure its custody services meet the same risk control standards as traditional securities. This approach of integrating “emerging assets” into “mature frameworks” is seen as a key step in attracting conservative institutional capital, making Bitcoin no longer an outsider but part of the mainstream financial system.

Cross-asset collateralization and 24/7 settlement: redefining institutional asset standards

Beyond basic storage and settlement functions, Citigroup is also focusing on how digital assets can enhance capital efficiency. Nisha Surendran highlighted the potential of “cross-margining,” which allows clients to use Bitcoin held in a main custody account as collateral for government bonds or tokenized money market funds on Ethereum. This flexible asset management capability is highly attractive in today’s traditional finance environment, especially with the rise of Bitcoin spot ETFs, as institutional investors increasingly seek to incorporate digital assets into their overall portfolios.

Citigroup’s vision extends beyond Bitcoin custody. The bank is actively exploring applications for stablecoins and blockchain deposit tokens, viewing them as key drivers for modern cross-border payments and 24/7 liquidity flows. Nisha Surendran admitted that the next wave of digital asset adoption will not come from existing crypto-native users but from traditional financial institutions eager to access these assets but held back by technological novelty and uncertainty. By integrating Bitcoin into the existing banking system, Citigroup is not just offering a new product but also laying down standardized pathways for the global adoption of digital assets, making cryptocurrencies an integral part of institutional asset allocation.