# ethereum/devp2p

Ethereum peer-to-peer networking specifications

Repository: https://github.com/ethereum/devp2p
Canonical: https://ross.abutalabs.com/products/devp2p
Language: JavaScript
License Family: other
Last push: 2026-08-19T15:52:47+00:00

## Health v2 (maintenance only)
Score: 76/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 98, release rhythm 35, longevity 100
- inputs: {"age_days": 4243, "days_push": 14, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1127, forks 295 (observed 2026-08-28T04:03:41.568055+00:00)

## What it is
The official specifications for Ethereum's peer-to-peer networking protocols, including node discovery (v4/v5), DNS node lists, Ethereum Node Records, RLPx transport, and application-level subprotocols like eth/70 and les/4. It serves as the canonical reference for implementing Ethereum networking from scratch, with its issue tracker used for protocol change discussions.

## Use cases
- implement an Ethereum client's peer-to-peer networking layer
- understand how Ethereum node discovery works
- read the RLPx transport protocol specification
- propose or discuss changes to Ethereum networking protocols
- build a tool that crawls or monitors the Ethereum P2P network
- implement the eth wire protocol for block and transaction sync

## When to choose
- you are implementing an Ethereum client or networking library from scratch
- you need the authoritative, up-to-date spec for devp2p, RLPx, or discovery protocols
- you want to participate in Ethereum protocol design discussions

## When to avoid
- you need a ready-to-use networking library rather than specifications
- you are building a generic P2P application unrelated to Ethereum (consider libp2p instead)
- you want executable reference code - this repo is primarily prose specifications

## Facets
- artifact type: learning-resource
- maturity: active
- function: networking, p2p, security, cryptography, documentation
- domain: blockchain, networking, microservices, documentation
- platform: cross-platform
- tags: ethereum, devp2p, rlpx, node-discovery, protocol-specifications, peer-to-peer, cryptocurrency

## Member repositories
- ethereum/devp2p (main) score 76

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:41.568055+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:38:47.519269+00:00, confidence not recorded.
  - readme: https://github.com/ethereum/devp2p (fetched 2026-08-28T04:03:41.568055+00:00, sha 22168d55bf8a)
- Data as of 2026-08-30T08:39:29.467469+00:00.