Line, a Japanese messaging service, is planning on integrating crypto trading left, right and center - in every possible way. Admittedly, this won't save the service from having to exist in the same cultural environment it is living in now. The Asian communication style is too peculiar for services born in that cultural framework to be popular anywhere else other than their homeland and its closest neighbours.
https://www.bloomberg.com/news/articles/2018-01-30/line-is-said-to-plan-expansion-into-crypto-trading-and-insurance