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Threenine Consulting

Nostr identity signing apps and relay infrastructure, plus engineering services for Bitcoin and Nostr product teams

Haslemere, United KingdomFounded 2005threenine.ioWebsite technologies

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Highlights

  • New on EvolcAdded 2026-11-06

About Threenine Consulting

Threenine builds Bitcoin and Nostr software under two product suites. Diogel keeps a user's Nostr identity in their own hands: Porwr protects keys in the browser for NIP-07 apps on Chrome and Firefox, Symudol is an Android app for carrying the identity on a phone, and Bancwr is a server-side signer for organisations, currently in development. Nostrfi covers relay, storage and backend-service infrastructure for Nostr, with the relay software being built first.

Its customers include individuals and organisations who want to use Nostr apps without handing over their identity, and builders and operators of Nostr relays and backend services. The company also offers product design and engineering services for teams building signers, browser extensions, relays, backend services and Bitcoin-aligned products. Diogel's Porwr is open source and all Diogel repositories are public.

Threenine was founded in 2005 and is headquartered in Haslemere, United Kingdom. The company publishes practical guides on Nostr, relays and privacy alongside its products.

Product: Diogel identity-signing suite (Porwr, Symudol, Bancwr) and Nostrfi relay and backend infrastructure for Nostr.

Jobs at Threenine Consulting

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Website technologies

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