Ethereum

Ethereum is a decentralized, open-source blockchain with smart contract functionality. Ether (ETH or Ξ) is the native cryptocurrency of the platform; among cryptocurrencies, it is second only to Bitcoin in market capitalization.

From Wikipedia, the free encyclopedia

Ethereum, like Bitcoin, is an open source project that is not owned or operated by a single individual. Anyone with an internet connection can run an Ethereum node or interact with the network. Popular Ethereum-based innovations include stablecoins (which are pegged to the dollar by smart contract), decentralized finance apps (collectively known as DeFi), and other decentralized apps (or dapps).