About Threenine
Our mission
Threenine builds practical Bitcoin and Nostr software for safer signing, stronger identity control, and dependable open-protocol infrastructure.
We believe the next generation of internet software should give users and operators more control, not less. That means building systems where identity is portable, private keys stay under user control, relay and backend infrastructure can be operated deliberately, and products are shaped around open protocols instead of platform lock-in.
Why we exist
The old internet model is built around centralised control, surveillance, data hoarding, and weak user ownership. That model is still dominant, but it is no longer the only option.
Open technologies such as Bitcoin and Nostr create a different foundation. They make it possible to build products where users and organisations have stronger control over identity, communication, payments, content, infrastructure, and trust relationships.
Threenine exists to help drive that shift forward through real software.
What we build
We focus on owned product suites and product infrastructure connected to:
- Nostr identity and account control
- signing, key protection, and consent flows
- relay, storage, and backend-service infrastructure
- privacy-sensitive product design
- Bitcoin-aligned and Nostr-native software
- practical education for people building and operating on open protocols
Our work is guided by a simple rule: software should help users and operators hold more control over their identity, data, keys, infrastructure, and relationships, not quietly take that control away again.
Product suites
Diogel is the signing and identity-safety suite. It focuses on controlled Nostr signing across browser, mobile, and self-hosted contexts so people and organisations can sign events without treating raw private keys like reusable login tokens.
Nostrfi is the infrastructure suite. It focuses on Nostr relays, storage, backend services, and operator workflows for builders who need dependable protocol-aware infrastructure.
How we work
We are product-led first.
That means we do not approach this space as a generic software consultancy looking for interchangeable contract work. We build our own products, learn from real implementation constraints, and bring that experience into focused engineering support for aligned teams.
When we work with clients or partners, we are strongest where the work involves:
- Nostr product development
- Bitcoin product development
- signers and approval flows
- browser extensions
- relay, storage, and backend infrastructure
- publishing systems and creator workflows when they fit the open-protocol strategy
- privacy-sensitive UX and trust-aware product behaviour
What we believe
We believe:
- users should have stronger control over their digital identity
- private keys should remain under user control
- infrastructure choices should be visible and operable
- products should be honest about trust boundaries
- open protocols matter most when they are made usable in practice
- digital sovereignty should be a product reality, not just a slogan
Company direction
Threenine is not trying to be a generic agency with protocol-flavoured marketing.
We are building a product company with serious capability in Nostr, Bitcoin, identity, signing, infrastructure, and privacy-sensitive software. Services exist as a secondary layer for teams that want help from people already working directly in this space.
Looking ahead
The long-term opportunity is bigger than any single app or integration.
We want to contribute to a better software ecosystem, one where people can communicate, publish, pay, build, and operate online with stronger ownership, clearer consent, and fewer platform dependencies.
That is the direction behind the products we build and the engineering work we choose to take on.