The world's largest custodian bank introduces tokenization of institutional deposits

BNY Mellon, recognized as the world’s largest custodian bank, has completed an innovative project combining traditional financial services with blockchain technology. This move aims to transform how institutions manage deposits — illustrating what a digital trust fund is through this solution. With assets approaching $58 trillion, BNY launched a platform that reflects clients’ deposit balances on a private blockchain, opening a new era for institutional banking services.

How does blockchain change custodial services?

Traditional custodian banks, which manage assets and deposits for their clients, operate within legacy systems from past decades. BNY decided to change this by implementing blockchain technology. The Digital Assets platform now allows institutional clients to represent their deposit claims as entries on a blockchain.

Carolyn Weinberg, BNY’s Director of Products and Innovation, explains the strategy: “Tokenization allows us to extend trusted banking services into digital ecosystems, giving clients better access to collateral, secured deposits, and payments — all in a secure and regulatory-compliant environment.” Tokenization is the process of converting real assets into digital representations on the blockchain — for trust funds, this means faster and more flexible management.

How does the tokenized deposit system work?

The implemented custodian system operates on a blockchain with permissions controlled by BNY, in accordance with internal risk and compliance protocols. These tokenized balances are designed to significantly speed up processes related to collateral — areas requiring quick transfer of funds and reliability.

One major advantage is the ability to settle transactions 24/7. Traditional systems only operate during business hours, limiting asset transfers. Tokenization changes this model — transactions can be executed around the clock, seven days a week.

An important aspect is maintaining regulatory compliance. Despite the innovative nature of the solution, BNY keeps official records of client balances in traditional systems to meet supervisory requirements. This hybrid approach combines technological benefits with legal obligations.

When will digital settlements become industry standard?

BNY is not working in isolation. Financial institutions worldwide recognize the need to move away from outdated systems. JPMorgan recently launched its JPMD token on Coinbase’s Base blockchain, demonstrating interest in digital settlements.

Particularly notable is the European movement — a consortium of nine major banks is working on issuing a euro-denominated stablecoin in accordance with MiCA (Markets in Crypto-Assets Regulation). This shows that the transformation affects not only individual institutions but entire financial ecosystems.

For trust funds and custodian banks, this means shifting from traditional intermediaries to active participants in the digital asset ecosystem. Tokenizing deposits is a practical example of how traditional finance is adapting to the new technological reality, combining the proven trust model with blockchain capabilities — offering institutional clients speed, security, and regulatory compliance all at once.