Developer tools & open source

bitcoinjs ECPair

JavaScript key-pair utilities for Bitcoin signing applications.

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01 / What it does

What it does

ECPair supplies elliptic-curve key-pair utilities for JavaScript Bitcoin software. It is used alongside transaction and cryptographic libraries. Review the selected curve backend, entropy source and key serialization requirements, and keep signing operations separate from untrusted transaction or network input.

Features & requirements

Custody
Not applicableSource · 8 Oct 2026 ↗
Pricing
Free software; network or service fees may applySoftware or documentation license; hardware, network and connected service charges are separate.Source · 8 Oct 2026 ↗
Platforms
Source codeDeveloper source package, not a hosted wallet account.Source · 8 Oct 2026 ↗
Bitcoin support
Bitcoin-related serviceSource · 8 Oct 2026 ↗
Sources & freshness

Sources & freshness

1Bitcoin editorial ↗Source refreshed · 8 Oct 2026

Editorial review · 8 Oct 2026

Imported records link to their sources. An entry is a discovery aid, not an endorsement.

Website freshness

Website responded to the check. Checked 8 Oct 2026.