Over 130 countries globally are currently investigating, developing, or have already launched CBDCs[1]. Financial innovation is not limited to central banks. Citigroup’s launch of Citi Token Services and Societé Generale’s December 2023 announcement of their bank-issued stablecoin are the most recent examples of how traditional financial institutions are making digital assets an essential part of their service offerings to their clients.

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The Universal Digital Payments Network (UDPN)’s new All-in-One Digital Currency Sandbox, launched on 29th February, enables both commercial and central banks to learn about the latest digital currency technology, test built-in use cases, and develop their own new custom use cases. The Sandbox will help prepare financial institutions for the new digital financial world and build innovative new services and was built based on the insights from the UDPN team’s work over the past year with over 25 global commercial banks, central banks, and technology companies.

The financial infrastructure of tomorrow

“The UDPN Sandbox marks the beginning of a new phase in the implementation of digital currencies, offering a secure platform for banks to innovate and collaborate,” said Christopher Ortiz, Group Chief Executive Global Markets and Region Manager APAC & UK and sponsor of the UDPN Alliance. “By testing a spectrum of digital currency technologies, from retail and wholesale CBDCs to tokenised deposits, we’re not just experimenting – we’re building the financial infrastructure of tomorrow.”


A secure environment for digital currency development

With the aim of providing both commercial banks and central banks the technology they will need for digital currencies, the UDPN All-in-One Digital Currency Sandbox is a secure environment that banks can control and provide permissioned access to other institutions in their ecosystem.

The UDPN Sandbox has the full range of digital currency technologies including retail CBDC, wholesale CBDC, tokenised deposits, stablecoins, purpose-bound money, and security and bond tokenization systems. The Sandbox includes complete retail CBDC systems for banks to test quota management, issuance, circulation, third-party access APIs, and wallet and transaction management.


The UDPN team also announced Project Kissen, a fully developed cross-border multiple wholesale CBDC settlement platform deployed on the UDPN. Central banks and commercial banks can participate in Project Kissen through the UDPN Sandbox to explore the power of wholesale CBDC to address the high costs, settlement risks, and low speed of cross-border settlements.

The UDPN enables interoperability between multiple Central Bank Digital Currencies (CBDCs), tokenised commercial bank money, and regulated stablecoins. It aims to drive down payment and foreign exchange costs whilst accelerating the uptake of regulated digital currencies. The programmability of value-added financial services will enable new business models and enhance the efficiency and transparency of cross-border payments. The UDPN is currently exploring real-life use cases with tier-one financial institutions in a series of 12 PoC’s.

UDPN Commercial All-in-One Digital Currency Sandbox



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The All-in-One Digital Currency Sandbox enables commercial and central banks to learn about the latest digital currency technology, test built-in use cases, and develop their own custom use cases.

Learn more!

To learn more about the Universal Digital Payment Network (UDPN) Sandbox and how it can benefit your organization, please visit www.udpn.io.


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