Ethereum is a popular blockchain based on Smart Contracts. After Bitcoin, it's the 2nd popular cryptocurrency. Smart Contracts are apps which execute transactions without the use of a third party - they are also trackable and irreversible.
In 2013, Vitalik Buterin invented Ethereum and released it 2015. The currency behind Ethereum is the coin called Ether (short: ETC).
- Ethereum: The Ultimate Smart Contract and Decentralized Application Platform
- Coin-Helper.com: The Database for Cryptocurrencies
- What is Ethereum? | Coin-Helper.com