$ETH refers to Ethereum, the second-largest cryptocurrency by market capitalization. Ethereum is a decentralized, open-source blockchain platform that enables the creation of smart contracts and decentralized applications (dApps). $ETH is the native cryptocurrency of the Ethereum network, used for transaction fees, computation, and as a form of payment. With its robust ecosystem and widespread adoption, $ETH plays a vital role in the cryptocurrency market, offering investors and developers a platform for innovation and growth. Its value can fluctuate rapidly.