Facebook's Libra cryptocurrency: Five things we know, five we don't

Facebook Inc unveiled plans for a new cryptocurrency called Libra this week. When it launches in 2020 or later, it will be a stablecoin–a digital currency that doesn’t fluctuate much because it’s supported by established government-backed currencies and securities.

The world’s largest social media company published a 12-page white paper on Libra and has more than 20 partners for the project. But there are still many questions. After a week of analysis, here’s what Bloomberg reporters and editors know about Libra, along with key unknowns that remain:

Joe Weisenthal, executive editor: digital news at Bloomberg:

For sure: Libra is being touted as a