Geth Ethereum is the command-line interface for implementing an Ethereum node in Google’s Go programming language. Geth serves as a node in the blockchain that helps the user to mine Ether and creates software that runs on Ethereum Virtual Machine. Geth helps to mine real ether, create contracts, make transactions, transfer funds between addresses, etc. Geth is supported on almost all operating systems like Linux, macOS, and Windows.
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You can watch this video on what is Ethereum to understand Ethereum in detail: