# Consensys/eth-lightwallet

Lightweight JS Wallet for Node and the browser

Repository: https://github.com/Consensys/eth-lightwallet
Canonical: https://ross.abutalabs.com/products/eth-lightwallet
Language: JavaScript
License: MIT
License Family: permissive
Last push: 2024-06-24T13:24:42+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 4100, "days_push": 800, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1476, forks 514 (observed 2026-08-28T04:04:50.282198+00:00)

## What it is
A lightweight JavaScript HD wallet for Ethereum that stores private keys encrypted in the browser or Node.js. It generates BIP32/BIP39 address trees from a 12-word seed and serves as a signing provider for web3 transactions.

## Use cases
- sign ethereum transactions in the browser without running a local node
- store private keys encrypted client-side for a dapp
- build an air-gapped cold wallet that constructs transactions offline
- generate HD ethereum addresses from a 12-word seed phrase
- integrate a transaction signer with hooked web3 provider

## When to choose
- you need a minimal, embeddable ethereum keystore and signing library for browser or Node apps
- you want full client-side control of private keys while relaying signed transactions via a remote node
- you are building small-value dapps or offline transaction construction

## When to avoid
- you need to custody large amounts of ether - the project has not had a comprehensive security review
- you need a full wallet UI or multi-chain support rather than a signing library
- you need actively developed software with recent security audits

## Facets
- artifact type: library
- maturity: maintenance
- function: cryptography, security, sdk
- domain: blockchain, web-development, security
- platform: browser
- tags: ethereum, hd-wallet, bip32, bip39, transaction-signing, keystore, web3, dapps, cryptocurrency, nodejs, javascript

## Member repositories
- Consensys/eth-lightwallet (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:50.282198+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 2026-08-30T04:34:26.342316+00:00, confidence not recorded.
  - readme: https://github.com/Consensys/eth-lightwallet (fetched 2026-08-28T04:04:50.282198+00:00, sha f9f593210d0e)
  - registry_npm: https://registry.npmjs.org/eth-lightwallet (fetched 2026-08-29T11:41:55.003591+00:00, sha f400bbae18ef)
- Data as of 2026-08-30T08:39:29.467469+00:00.