At the time, we wondered whether Facebook was developing its own Bitcoin rival — a cryptocurrency that could be used inside its own products.
source https://www.google.com/url?rct=j&sa=t&url=https://bgr.com/2018/12/21/facebook-cryptocurrency-in-the-works-for-whatsapp-money-transfers/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNEb5LrO7iOrMpNIVnmBDAbpAELEnQ