A surprise move by Google brings to an end the three-year-old policy banning the use of its ad services by cryptocurrency exchanges. The revised policy will allow ads for Cryptocurrency Exchanges and Wallets targeting the United States to go online starting in August, as long as they will be certified by Google.
https://www.notebookcheck.net/Google-allows-cryptocurrency-exchanges-to-use-its-ad-services-again.542718.0.html