$ETH Ethereum (ETH) is the second-largest cryptocurrency by market cap, launched in 2015 by Vitalik Buterin and others. Unlike Bitcoin, which focuses on digital currency, Ethereum is a decentralized platform for building and running smart contracts and decentralized applications (dApps). It uses the Ethereum Virtual Machine (EVM) to execute code securely. In 2022, Ethereum transitioned from Proof of Work (PoW) to Proof of Stake (PoS) through the Merge, making it more energy-efficient. ETH is used for transactions,