Skip to content

Wallets and chain clients

ethers.js

A widely used JavaScript library for Ethereum wallets and providers.

Green — compatible use if you keep the notices

SPDX or status
MIT
Confidence
high
Maintainer
ethers-io
Runtime
JavaScript, EVM

GitHub licence API reported MIT on 2026-10-01. Blockchain Lab has not audited this repository. A licence check is not a vulnerability scan, a dependency review, or a security audit.

Keep the MIT notice.

Reuse status

Research available. Reuse pending.

A permissive licence file was recorded. The reuse gates are unmet, so nothing from the repository is exported.

Source class
S3 candidate
Commit
Not pinned
Source-derived demo
Held

Available

  • E0: Metadata
  • E1: Research report
  • E2: Citation bundle
  • E3: Pattern blueprint
  • E4: Test plan
  • E5: Original scaffold

Not available

  • E6: Source-derived demo pack — held
  • E7: Full source bundle — held
  • E8: Dataset export — held
  • E9: Model-training pack — held
  • E10: Production candidate pack — held

ethers.js has a permissive file on record. That is not a cleared export. Non-commercial or demo use does not remove the licence duty. When in doubt, link — do not copy.

View the repository/Export policy

Use

  • An existing JavaScript service that already speaks ethers

Do not use for

  • New custody design
  • Assuming an old major version matches the current API

Risks

  • Provider objects can hold a signer. Know which process has it.

Reviews required

  • Dependency major-version review

No source code is reproduced on this page. No commit SHA is published, because this release did not pin one.