Project Aurum: A Prototype for Two-Tier Central Bank Digital Currency

Categories : Digital Money and payments, Technology and Operational Enablers


Author: Bank of International Settlements

Aurum is a full-stack (front-end and back-end) central bank digital currency (CBDC) system comprising a wholesale interbank system and a retail e-wallet system. The aim was to bring to life two very different types of tokens: intermediated CBDC and stablecoins backed by CBDC in the interbank system. The latter is unique in the study of CBDC to date. Privacy, safety, and flexibility are core to the system.

The system is accompanied by technical manuals totalling over 250 pages that, together with the source code, are made accessible to all BIS member central banks on BIS Open Tech to help catalyse and inspire the global quest for the most suitable retail CBDC architecture. Read more on the project here