Is Geth an execution client?

Geth serves as a pivotal Ethereum execution client. It is tasked with managing transactions, a fundamental aspect of the Ethereum network. This involves ensuring the smooth processing and verification of transactions, which are crucial for the operation of the blockchain.

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Beyond transaction management, Geth also plays a role in the deployment and execution of smart contracts. Smart contracts are automated contracts with terms of the agreement between buyer and seller being directly written into lines of code. Geth facilitates the seamless deployment of these contracts onto the Ethereum blockchain.

Embedded within Geth is the Ethereum Virtual Machine (EVM), a critical component that allows for the execution of smart contracts. The EVM is a decentralized virtual machine that runs on the Ethereum network, enabling the execution of code in a secure and trustless manner.

To become a fully functional Ethereum node, it is necessary to run Geth alongside a consensus client. A consensus client is responsible for ensuring that all nodes in the Ethereum network agree on the state of the blockchain. Together, Geth and the consensus client enable a computer to participate in the Ethereum network as a node.