Google will begin allowing regulated cryptocurrency exchanges to advertise in the United States and Japan starting in October 2018.
source https://www.google.com/url?rct=j&sa=t&url=https://www.newsbtc.com/2018/09/25/google-shift-gear-puts-an-end-to-ban-on-cryptocurrency-ads/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNEpcFevy66vJUYBbCI31G7BtNV-BQ
