Execution and Consensus Clients

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The concept Every Ethereum validator actually runs two paired pieces of software, each handling a different layer: Execution client (Geth, Nethermind, Besu, Erigon) — processes transactions, maintains state (account balances, contract storage), and handles the EVM. This is the direct descendant of "pre-Merge" Ethereum node software. Consensus client (Lighthouse, Prysm, Teku, Nimbus, Lodestar) — implements the PoS beacon chain logic:……

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