$ETH Ethereum (ETH) is a decentralized blockchain platform launched in 2015 by Vitalik Buterin. It supports smart contracts and decentralized applications (dApps). Its native cryptocurrency, Ether (ETH), is used to pay for network transactions.

In 2022, Ethereum transitioned from Proof of Work (PoW) to Proof of Stake (PoS) via The Merge, reducing its energy consumption by ~99%. It’s a backbone for DeFi, NFTs, and Web3 apps.

As of April 9, 2025, ETH trades around $1,429.