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PrivKey

Open-source infrastructure for Bitcoin, Lightning, and Nostr. Self-custodial key management, FROST threshold signing, and high-performance relays.
README.md

PrivKey

Open-source infrastructure for Bitcoin, Lightning, and Nostr. FROST threshold signing, self-custodial key management, and high-performance relays in Rust, Zig, and C. MIT licensed and self-hostable.

Keep, self-custodial key management for Nostr and Bitcoin, so no single device holds the whole key: keep (Rust), keep-android (Kotlin), keep-esp32 (C), keep-startos (TypeScript).

Libraries: libnostr-c, libnostr-z.

Tools: wisp (Nostr relay), noz (Nostr CLI), taproot-assets-rest-gateway, bosun (Bitcoin PR triage).

We upstream our fixes: Bitcoin Core, Bitcoin Knots, BDK, rust-miniscript, ZF FROST, Lightning BOLTs, negentropy. Current list at privkey.io.

Building since 2018. privkey.io · information@privkey.io · book a consultation

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  1. keep keep Public

    Self-custodial key management for Nostr and Bitcoin

    Rust 16 3

  2. wisp wisp Public

    Fast, lightweight Nostr relay with spider mode that syncs notes from people you follow.

    Zig 19

  3. libnostr-z libnostr-z Public

    Zig library for the Nostr protocol

    Zig 16

  4. libnostr-c libnostr-c Public

    Lightweight, portable C library for the Nostr protocol with native Lightning Network integration.

    C 14 1

  5. keep-android keep-android Public

    Android app for FROST threshold signing with NIP-55 support

    Kotlin 10 2

  6. shrike shrike Public

    Forked from sparrowwallet/sparrow

    Desktop Bitcoin wallet. Sparrow fork adding unified opt-in sighash support.

    Java 42 7

Repositories

Showing 10 of 89 repositories
  • keep Public

    Self-custodial key management for Nostr and Bitcoin

    privkeyio/keep's past year of commit activity
    Rust 16 MIT 3 25 2 Updated Oct 17, 2026
  • lightning Public Forked from ElementsProject/lightning

    Unofficial Core Lightning fork with BLAKE2b block header and unified signature support for the Bitcoin hardfork. Not audited.

    privkeyio/lightning's past year of commit activity
    C 7 1,099 9 2 Updated Oct 17, 2026
  • keep-android Public

    Android app for FROST threshold signing with NIP-55 support

    privkeyio/keep-android's past year of commit activity
    Kotlin 10 MIT 2 3 0 Updated Oct 17, 2026
  • bitcoin Public Forked from bitcoinknots/bitcoin

    Bitcoin Knots enhanced Bitcoin node/wallet software

    privkeyio/bitcoin's past year of commit activity
    C++ 1 MIT 43,316 0 0 Updated Oct 16, 2026
  • standardnotes-startos Public
    privkeyio/standardnotes-startos's past year of commit activity
    TypeScript 1 MIT 1 0 0 Updated Oct 15, 2026
  • omarchy Public Forked from omacom/omarchy

    Beautiful, Modern & Opinionated Linux

    privkeyio/omarchy's past year of commit activity
    Shell 0 MIT 5,551 0 0 Updated Oct 15, 2026
  • knots-assembly Public Forked from luke-jr/tmp
    privkeyio/knots-assembly's past year of commit activity
    Python 0 3 0 0 Updated Oct 14, 2026
  • website Public

    Live at privkey.io

    privkeyio/website's past year of commit activity
    CSS 0 MIT 0 2 1 Updated Oct 14, 2026
  • lampo.rs Public Forked from vincenzopalazzo/lampo.rs

    lampo (lightning in Italian) is a experimental implementation of a tiny lightning node

    privkeyio/lampo.rs's past year of commit activity
    Rust 0 BSD-3-Clause 26 0 0 Updated Oct 14, 2026
  • llm-tldr Public Forked from parcadei/llm-tldr

    95% token savings. 155x faster queries. 16 languages. LLMs can't read your entire codebase. TLDR extracts structure, traces dependencies, and gives them exactly what they need.

    privkeyio/llm-tldr's past year of commit activity
    Python 0 AGPL-3.0 117 0 0 Updated Oct 13, 2026
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