merkletreejs/merkletreejs
🌱 Construct Merkle Trees and verify proofs in JavaScript. By @miguelmota observed · 2026-08-28
Health v2 · maintenance only
47/100
- Activity 42
- Release rhythm 23
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: 100.0
- age_days: 3329
- days_rel: 352
- days_push: 352
- n_releases_24m: 3
Adoption not part of the score
1241 stars · 227 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
A JavaScript/TypeScript library for constructing Merkle Trees and generating and verifying cryptographic inclusion proofs. It supports multiple hash functions, Bitcoin-style trees, multi-proofs, JSON serialization, and Merkle Mountain Ranges.
Use cases
- generate merkle proofs for ethereum smart contract whitelists
- verify merkle proofs in javascript
- build a merkle tree from hashed leaves
- compute a merkle root for airdrop eligibility
- generate multiproofs for multiple leaves
- implement bitcoin-style merkle trees
- serialize and deserialize merkle trees to json
When to choose
- you need merkle proof generation and verification in Node.js or the browser
- you're building Ethereum/Solidity smart contract workflows like airdrops or whitelists
- you need flexible hash functions, sorting options, or multi-proof support
- you want TypeScript types and JSON tree serialization
When to avoid
- you need merkle trees in a non-JavaScript language
- you need a general-purpose hash tree or authenticated data structure beyond Merkle variants
- you need a persistent on-disk merkle database rather than an in-memory tree
Facets
library · maturity stable
cryptography serialization developer-tools blockchain security browser merkle-tree merkle-proof smart-contracts ethereum bitcoin multiproof merkle-mountain-range whitelist cryptocurrency algorithms nodejs javascript typescript
3 sources
- readme: https://github.com/merkletreejs/merkletreejs · fetched 2026-08-28 · 0decb5ab28bb
- homepage: https://merkletree.js.org · fetched 2026-08-29 · 57360ea8ee9c
- registry_npm: https://registry.npmjs.org/merkletreejs · fetched 2026-08-29 · 1a2ccf6a4f02
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| merkletreejs/merkletreejs | main | 47 |
For agents
markdown · JSON · MCP: product_card(name="merkletreejs/merkletreejs")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem