Bitcoin, Ethereum, Litecoin, and Ripple are the top four cryptocurrencies by market cap as of February 21, 2018. Of these, Bitcoin is the oldest, having been created in 2009. Ethereum was created in 2015, Litecoin in 2011, and Ripple in 2012. Bitcoin, Ethereum, Litecoin, and Ripple are all based on blockchain technology. Blockchain is a […]