What makes you think that Libra is questionable and not a break crypto while GRAM (which you claim is a telegram project) is ok? Aren't both of them of social media family? Well, I think Libra will excel, giving to its affiliation and control by Facebook. That is if users don't mind the exposure to their privacy with KYC requirement. I think Libra is as good as any coin of payment and that is enough reason Zukerberg and team floated it to take care of adverts payment on their platform instead of going through the banks and fiat payments.