# ethereumbook/ethereumbook

Mastering Ethereum: 2nd Edition, by Andreas M. Antonopoulos, Gavin Wood, Carlo Parisi, Alessandro Mazza, Niccolò Pozzolini

Repository: https://github.com/ethereumbook/ethereumbook
Canonical: https://ross.abutalabs.com/products/ethereumbook
Homepage: https://masteringethereum.xyz/
License Family: other
Topics: ethereum, blockchain, oreilly, book, smart-contracts, solidity, dapp, truffle-framework, embark, web3js, token, devp2p
Last push: 2026-05-13T14:04:25+00:00

## Health v2 (maintenance only)
Score: 66/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 82, release rhythm 26, longevity 100
- inputs: {"age_days": 3675, "days_push": 112, "days_rel": 280, "gap_med": null, "n_releases_24m": 1}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 21518, forks 5171 (observed 2026-08-28T04:11:31.807357+00:00)

## What it is
The open-source repository for 'Mastering Ethereum: 2nd Edition', a technical book by Andreas M. Antonopoulos, Gavin Wood, and others, published by O'Reilly. The book is freely readable online under a Creative Commons license and covers Ethereum development including smart contracts, Solidity, and dapps.

## Use cases
- learn ethereum development from scratch
- understand how smart contracts work
- learn solidity programming
- build decentralized apps on ethereum
- understand the ethereum virtual machine and accounts
- learn web3 and token standards

## When to choose
- you want a comprehensive, freely available introduction to Ethereum
- you are learning smart contract and dapp development
- you prefer book-style structured learning over scattered tutorials

## When to avoid
- you need runnable software or code tooling rather than educational text
- you need up-to-the-minute coverage of the latest Ethereum protocol changes
- you want a formal certification or interactive course

## Facets
- artifact type: learning-resource
- maturity: active
- function: documentation
- domain: blockchain, developer-tools, tutorials
- platform: -
- tags: ethereum, book, smart-contracts, solidity, web3, open-source-book, oreilly, cryptocurrency, web-server

## Member repositories
- ethereumbook/ethereumbook (main) score 66

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:31.807357+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 2026-08-29T16:58:04.839335+00:00, confidence not recorded.
  - readme: https://github.com/ethereumbook/ethereumbook (fetched 2026-08-28T04:11:31.807357+00:00, sha 97724b1acac8)
  - homepage: https://masteringethereum.xyz/ (fetched 2026-08-29T07:56:57.639196+00:00, sha 477356818b25)
- Data as of 2026-08-30T08:39:29.467469+00:00.