Bitcoin is one of the first cryptocurrencies based on blockchain technology. It was introduced in 2009 by an anonymous cyberpunk group nicknamed Satoshi Nakamoto. A decentralized currency allowing micropayments without central government involvement.
Ethereum is Bitcoin's younger brother - version 2.0. Ethereum has been developed by Vitalik Buterin from Russia - researcher and cryptoanalyst. It was funded by crowdfouding in 2014 and has become a platform allowing not only to invest, but also to bet or even crowdfunding.