Facebook recently anounced that they ban all cryptocurrency ads on their website. They ban people entirely of all bitcoin and other cryptocurrency ads.
They said that they are afraid of scam. Facebook said that they found a big amount of ads that where total scam on facebook, they are afraid that the amount of scams will rise.. so now they forbid every ad that has something to do with cryptocurrencies.
source info + picture: http://www.independent.co.uk/