Google is also honing in on adverts promoting gambling and ads that make a song and dance about health products and schemes that are rather illegitimate. Along with these harmful ads, Google had also blocked 320K publishers from its ad network, 90K websites, and 700K mobile apps, for violating content policies.
Facebook, the primary rival of Google for advertising dollars, banned cryptocurrency ads in January.
Fraudsters have moved into the cryptocurrency space to defraud internet users, and Google said it took down 3.2 billion adverts violating its advertising policies in 2017, almost double the number it removed in 2016. Providers of those services that wish to advertise directly will now be required to be certified by Google by proving that they are licensed to provide those services. The most recent moves by Facebook and Google- undoubtedly two of the world's largest advertising platforms - hinted at a possibility of being in line with US regulators' efforts at both state and federal levels in tracking down ICOs which raise suspicions and appear to be platforms calling for scams in the government's point of view. "Certification is only available in certain countries", Google said.
The most popular cryptocurrencies largely remained unfazed by the news.