Facebook is banning ads that promote bitcoin and other cryptocurrencies in an effort to protect its users from -
“Financial products and services frequently associated with misleading or deceptive promotional practices."
Senior FB Tech Director says That's an "intentionally broad" approach to prevent "financial products and services that are frequently associated with misleading or deceptive promotional practices," including binary options as well.
At the time of writing Bitcoin was down 14% and Bitfinex and Tether subpoenaed is also not helping the market.