KEY POINTS
  • Facebook's David Marcus says Libra could use "a series of stablecoins" pegged to currencies like the dollar, the euro and sterling.
  • The Switzerland-based Libra Association has lost various original members including payments giants Mastercard and Visa.
  • Libra has also been met with fierce regulatory pushback, with global authorities worried it could heavily disrupt the financial system.
A "Zuck Buck" is displayed on a monitor as David Marcus, the executive leading Facebook's blockchain initiative, is questioned by U.S. lawmakers in Washington, D.C., on July 17, 2019.

Facebook has suggested its Libra project could use multiple cryptocurrencies backed by different existing currencies like the dollar, rather than having one single digital token tied to a basket of currencies.

The tech giant had initially proposed one synthetic unit of value that would be tied to a basket of currencies and government debt. But according to Reuters, David Marcus, the executive leading Facebook's blockchain initiative, told a banking seminar that he was open to looking at alternative approaches.