Yes it is. There are actually many different cryptocurrencies (sometimes called altcoins) out there, here is a list of over 700: http://coinmarketcap.com/ http

Yes it is. There are actually many different cryptocurrencies (sometimes called altcoins) out there, here is a list of over 700: http://coinmarketcap.com/ http://coinmarketcap.com/ Ethereum is probably the second most important one after bitcoin.