Open Source Licenses

Siner for iOS

Breez SDK – Spark (v0.15.1) — MIT — github.com/breez/breez-sdk-spark-swift — powers the built-in self-custodial Lightning wallet.

secp256k1.swift (v0.22.0) — MIT — github.com/GigaBitcoin/secp256k1.swift — Swift bindings to bitcoin-core's libsecp256k1 (also MIT), used for Schnorr and ECDSA signing.

Swift-BigInt (v2.4.0) — MIT — github.com/mkrd/Swift-BigInt — arbitrary-precision integer arithmetic.

Nostr protocol support (NIP-01/04/05/17/19/56/57 and others), the Siner Seal, OpenTimestamps anchoring, and BIP-39 recovery phrases are implemented in-house on Apple's CryptoKit and Foundation.

Siner web & relay

Next.js — MIT — github.com/vercel/next.js

React & React DOM — MIT — github.com/facebook/react

nostr-tools — Unlicense (public domain) — github.com/nbd-wtf/nostr-tools

ioredis — MIT — github.com/redis/ioredis

ws — MIT — github.com/websockets/ws

qrcode — MIT — github.com/soldair/node-qrcode

Anthropic SDK for TypeScript — MIT — github.com/anthropics/anthropic-sdk-typescript — used for optional AI screening of reported content.

strfry (Nostr relay) — GPL-3.0 — github.com/hoytech/strfry