One thing that is almost certain is that Facebook cryptocurrency would be a 'stable coin'. In all probability, it will be pegged to the 'US Dollar.' ...
source https://www.google.com/url?rct=j&sa=t&url=https://coingape.com/best-time-facebook-release-cryptocurrency/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNH4yWOrfCJyvcal7KFoy8eJE5VNYA
