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Package

bip66

Strict DER signature encoding/decoding.

v2.0.0, 26 Jun 2024MITESM + CommonJSTypes: BundledBlockchain and Web3
$ npm install bip66
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Key numbers

As of 25 Sept 2026
Weekly downloads
433.7k
+17% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
2 years ago
v2.0.0
GitHub stars
16
7 forks
Open issues / PRs
0 / 1
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
0200k400k600k800kSept 2025Mar 2026Sept 2026High 601k (14 Jul 2026)Low 171.8k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

433,656 downloads last week, 2,073,067 in the last month. The 12-month change of +17% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
014 in total
Latest version
2.0.0, 26 Jun 20242 years ago
First published
21 Aug 2015
Last push to GitHub
15 Nov 2025313 days before the snapshot
Repository archived
No
Open issues
0
Open pull requests
1
Commits, last 52 weeks
0
Dependents on npm
-

Major versions

  1. v2 first release 2.0.0, 26 Jun 2024
  2. v1 first release 1.0.0, 21 Aug 2015

Recent releases

VersionPublished
2.0.026 Jun 2024
1.1.529 May 2017
1.1.427 Apr 2016
1.1.326 Apr 2016
1.1.226 Apr 2016
1.1.022 Aug 2015
1.0.1021 Aug 2015
1.0.921 Aug 2015
1.0.821 Aug 2015
1.0.421 Aug 2015
1.0.321 Aug 2015
1.0.221 Aug 2015
1.0.121 Aug 2015
1.0.021 Aug 2015

Compatibility

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
12 kB
Dependencies (0)
None

Install

npm install bip66

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/bip66@2.0.0/
  • unpkghttps://unpkg.com/bip66@2.0.0/
  • esm.shhttps://esm.sh/bip66@2.0.0
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.