Norway central bank makes CBDC source code public

Ethereum developer Nahmii announced that as part of its ongoing private-public partnership with Norges Bank, the source code for their CBDC sandbox is now publicly available.

The work with Norges Bank focused on defining and commissioning a sandbox production environment with open sourced services (Grafana, BlockScout and Hyperledger Besu). This allows for the testing of basic token management use cases, including minting, burning and transferring ERC-20 tokens.

In addition to deploying the appropriate smart contracts and access controls, the Norges Bank sandbox includes a custom frontend and network monitoring tools (BlockScout and Grafana). The frontend also shows a filterable summary of transactions on the network.

Written in React, the sandbox frontend is designed to offer a clear and intuitive interface for interacting with the test network. Role-based access control is in place for important functions like minting and burning tokens.

The current version of the Norges Bank sandbox network sits behind basic authentication and is only accessible by users with the appropriate credentials. Transactions on the test network are therefore private.

Batch and bridge

Further sandbox development includes more complex and interesting use cases, such as batch payments, security tokens and bridges. This involves custom smart contract work, alongside additional frontend development.

Nahmii expects to deliver the second part of the project to Norges Bank by mid-September, with the source code likely to be made publicly available soon afterwards.


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