IBM has connected its Digital Asset Haven platform to Swift’s blockchain-based shared ledger through a beta adapter that converts ISO 20022 payment messages into instructions for tokenized deposits. The link gives banks in Swift’s shared-ledger program a route to test digital-asset transactions through messaging standards and operational processes they already use for conventional payments.
The adapter is aimed at permissioned networks, including Swift’s new shared ledger, rather than public blockchains. IBM said institutions participating in Swift’s program have already used Digital Asset Haven to test tokenized deposits on the ledger.
The arrangement places IBM among the technology providers seeking to make tokenized bank money fit within existing financial infrastructure. Rather than requiring banks to adopt separate blockchain-specific workflows, the adapter is designed to allow standard payment instructions to trigger activity on a shared digital ledger.
Iso 20022 becomes the bridge to tokenized deposits
ISO 20022 is the messaging standard increasingly used by banks and payment networks to structure transaction data. IBM’s beta adapter uses those formats to send tokenized-deposit instructions into Swift’s ledger environment.
Tokenized deposits are digital representations of commercial-bank deposits. They differ from stablecoins because they are issued as claims on a bank deposit rather than typically being backed by a separate reserve portfolio. For banks, the model offers a way to issue programmable digital money while retaining the familiar relationship between a customer, its account and the regulated deposit-taking institution.
IBM said final settlement in the Swift-ledger setup remains handled through existing systems. That design limits the role of the shared ledger to coordinating transaction records and instructions rather than immediately replacing the payment and settlement infrastructure banks already depend on.
The distinction could be particularly relevant for institutions that want to test tokenized deposits without moving all settlement activity onto a new network. It also reflects the cautious architecture emerging around bank-issued digital assets: ledgers may support synchronized records and programmable transfers, while established systems continue to provide the final settlement layer.
IBM said the system is intended to support 24/7 movement of digital assets for participating clients. The statement does not mean that every connected bank or market can immediately offer around-the-clock settlement; the service remains tied to the terms, systems and participation of the institutions involved.
Swift pilot brings banks into ledger design
Swift announced its shared-ledger initiative at Sibos 2025. The organization said the system builds on a prototype developed with blockchain software company Consensys.
More than 40 financial institutions contributed to the ledger’s design, according to Swift, while 17 institutions are participating in its tokenized-deposit pilot. Swift connects more than 12,500 financial institutions across more than 200 countries and territories, giving its standards and network links considerable reach across correspondent banking and cross-border payments.
The shared ledger is being developed as a common infrastructure layer for regulated financial institutions rather than as a consumer-facing cryptocurrency network. Its intended role is to coordinate tokenized forms of value across banks, payment systems and potentially other financial-market infrastructure.
That approach addresses a recurring obstacle in institutional tokenization projects. Banks can build private digital-asset systems, but separate ledgers can create new operational silos if they cannot communicate with one another or with conventional payment rails. An adapter based on ISO 20022 could reduce the need to rebuild payment messaging and compliance processes for each ledger connection.
IBM adds an on-premises option
Alongside the Swift connection, IBM is extending Digital Asset Haven with a beta on-premises deployment for IBM Z and IBM LinuxONE systems. The option would allow clients to run the platform inside their own data centers rather than relying on public-cloud infrastructure.
IBM said the deployment is intended for organizations managing digital assets including stablecoins and tokenized deposits that require tighter control over their computing environment. The company said the platform and its key-management layer remain within the client environment, with IBM Crypto Express hardware security modules used to protect cryptographic keys.
For large banks and public-sector organizations, control of keys and system location can shape whether a digital-asset product passes internal security, resilience and data-governance requirements. The on-premises release uses the same architecture, application programming interfaces and workflows as IBM’s software-as-a-service and hybrid versions, IBM said, potentially allowing clients to choose a deployment model without redesigning their operating processes.
IBM launched Digital Asset Haven in October 2025 with SaaS and hybrid options. The company developed the platform with Dfns, a wallet-infrastructure provider, for banks, governments and other regulated organizations.
The beta adapter now gives Haven clients an additional connection into Swift’s shared-ledger program. Its practical value will depend on the pilot’s expansion, the range of tokenized assets supported and whether participating banks can align internal controls with ledger-based workflows. For now, the project is a measured attempt to connect tokenized deposits to the messaging language and security models already embedded in global banking.
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