Some cryptocurrencies share a blockchain, even though other cryptocurrencies function by themselves different blockchains. Ethereum was developed in 2015 by Vitalik Buterin, a Russian-Canadian programmer. The System relies within the basic principle of decentralization, meaning that it is not managed by any single entity. Bitcoin was established in 2009 https://eduardoyobna.newsbloger.com/30264744/copyright-for-dummies