Ripple USD is the United States Central Bank Digital Currency. Issued by Ripple, a private corporation. The Federal Reserve was never going to issue the US CBDC. Some Corporations are fronts for US Government Operations.
Think of Ecoin and Ecorp from Mr. Robot
Ecoin = RLUSD
Ecorp = Ripple
XRP = The Freedom Key [Postage Stamp] for XRPL
The US CBDC is here.
https://ripple.com/solutions/stablecoin/