Facebook Gives Crypto Ads the Thumbs Down.
Facebook has issued an outright ban. As of a new ruling issued on January 30, ads must not promote financial products and services that are frequently associated with misleading or deceptive promotional practices, such as binary options, initial coin offerings, or cryptocurrency. The move is sure to be welcomed by Facebook users and bitcoin enthusiasts alike, who recognize that these adverts do little to promote the benefits of cryptocurrency.
https://web.facebook.com/policies/ads/prohibited_content/prohibited_financial_products_and_servicesi think they are doing this because they are making a currency of their own it's like a marketing stunt by them.