Ripple is piloting a private version of the public, open-source XRP Ledger that provides Central Banks a secure, controlled and flexible solution for the issuance and management of digital currencies.

With over 80% of Central Banks actively exploring some form of sovereign-backed cryptocurrency, the arrival of the world’s first Central Bank Digital Currency (CBDC) is inevitable. Each new CBDC will have unique goals driven by the specific market challenges and opportunities of its country, unavoidably leading to different technologies and implementations — leaving the world with an array of CBDC solutions.

link: https://ripple.com/insights/ripple-pilots-a-private-ledger-for-central-banks-launching-cbdcs/