“Now, Mastercard CEO Ajay Banga has explained why. In an interview with the Financial Times , the chief executive said that while he liked the idea, there were concerns not only related to compliance, but also the overall business model.  After raising the issues of due diligence and compliance with local laws — a tall order which would require extensive planning for a proposed, international currency — Banga said that key members were reluctant to put anything in writing.  There was also the question of how Libra would make any money. Facebook may have cashed in by being able to potentially harvest and sell purchase data gleaned from users, but what about the other companies involved?”