go-ethereum (Geth) — Official Website (2026)
Source: https://geth.ethereum.org/
Raw file: raw/articles/go-ethereum.md
Overview
Geth (go-ethereum) is the official Go language implementation of the Ethereum protocol. It is one of the oldest and most battle-hardened Ethereum clients, having been part of the network since the Frontier launch in 2015.
Geth is an execution client — it handles:
- Processing and validating transactions
- Deploying and executing smart contracts
- Running the Ethereum Virtual Machine (EVM)
Running Geth alongside a consensus client (e.g., Lighthouse or Prysm) turns a computer into a full Ethereum node.
What Geth Does
| Function | Description |
|---|---|
| Transaction processing | Validates, orders, and executes transactions |
| Smart contract execution | Runs EVM bytecode for contract calls and deployments |
| State management | Maintains the global Ethereum state (account balances, contract storage) |
| Peer-to-peer networking | Syncs the blockchain with other nodes via the devp2p protocol |
| JSON-RPC API | Exposes endpoints for wallets, dapps, and tools to interact with the network |
Why Run a Node?
Geth’s documentation emphasises “Don’t trust, verify” — running your own node means:
- You do not need to rely on a third-party RPC provider
- You can verify data yourself rather than trusting an intermediary
- Full sovereignty over your Ethereum interactions
Execution / Consensus Client Split (post-Merge)
After The Merge (September 2022), Ethereum separated into two layers:
| Layer | Role | Example clients |
|---|---|---|
| Execution layer | Processes transactions and EVM computation | Geth, Nethermind, Besu |
| Consensus layer | Manages proof-of-stake validator coordination | Lighthouse, Prysm, Teku |
Geth communicates with the consensus client via the Engine API.
Team and Funding
The Geth team comprises 10 developers distributed globally. The team is funded exclusively by the Ethereum Foundation. Geth is fully open-source; community contributions are welcomed via the GitHub repository (github.com/ethereum/go-ethereum).
Concepts Mentioned
- geth — the Go implementation of Ethereum; oldest major execution client
- ethereum-virtual-machine — the EVM that Geth executes
- smart-contracts — deployed and executed by Geth
- ethereum-foundation — funds the Geth development team
- proof-of-stake — the consensus layer Geth pairs with post-Merge
Related sources: wikipedia-2026-ethereum | grokipedia-2026-ethereum-history | ethereumorg-2026-what-is-ethereum