Google says that starting with October, they are going to allow cryptocurrency exchanges to use their advertising services, although the change comes ...
source https://www.google.com/url?rct=j&sa=t&url=https://coincodex.com/article/2396/regulated-cryptocurrency-exchanges-will-be-able-to-advertise-with-google/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHIvDM3vlPD9yAAP0Z6PGmNectVvQ