https://techcrunch.com/2019/10/11/libra-denominated-in-dollars/

What if Libra wasn’t backed by a basket of international currencies, but only the dollar?

Regulatory pushback to the Facebook-led cryptocurrency Libra has caused major partners including Visa, MasterCard, PayPal, and eBay to pull out of the Libra Association. But one of the remaining members has floated a major change to the stablecoin that could calm concerns that Libra could hurt the world economy by challenging national currencies for supremacy.