Coinbase is the biggest platform to buy the most popular cryptocurrencies. You can buy Bitcoin, Bitcoin Cash, Litecoin and Ethereum with dollar or euros and it's very easy.
Some rumors said that Coinbase want include Ripple (XRP) coin in their platform. I'd like this movement because XRP it's a digital coin for real banks.
If you don't have account in Coinbase you can create and receive 10$ in BTC with our link.