Non-U.S. clients can still trade the token but need to pre-fund all short trades, the report said.
Source: https://www.coindesk.com/b2c2-becomes-latest-crypto-market-maker-to-stop-xrp-trading-report
B2C2 Becomes Latest Crypto Market-Maker to Stop XRP Trading: Report
December 26, 2020
CoinDesk
