|Original author(s)||Vitalik Buterin, Gavin Wood, Joseph Lubin|
|White paper||Ethereum Whitepaper|
|Initial release||July 2015|
|Code repository||Ethereum Github|
|Block time||15-30 seconds|
|Circulating supply||c. 102,147,762 (as of 9 December 2018[update])|
Ethereum is a blockchain platform with smart contract capabilities. It allows for the creation of cryptocurrencies and decentralized applications. The main asset of the Ethereum blockchain is the Ether token, which is used to pay for transaction fees and other blockchain interactions such as smart contract deployment. Ethereum has its own scripting language for smart contract creation named Solidity.
Ethereum was first proposed by Vitalik Buterin in late 2013 in the Ethereum whitepaper.