Why do I like this project, Revain is very easy to use and easy to learn. You can learn alot of things using Revain. You can use Revain as bitcoin wallet and other crypto currency wallet. You check the latest value of bitcoin, ethereum, XRP and XLM and some of the crypto currency aswell. It also allow the customer to trade for example, Bitcoin to Ethereum, or other crypto currencies. And now it has a new features, the card that allows you to pay using cryptocurrency. See full review