- Diogel
  Keep your Nostr identity in your hands, in your browser, on your phone or on your own server.
- Nostrfi
  Nostr relay, storage and backend-service infrastructure for builders and operators.
- Nostr product development
  Focused engineering support for teams building Nostr-native products, tools and protocol-aware user experiences.
- Bitcoin product development
  Engineering for Bitcoin payments, wallet-connected flows and products where users hold their own keys.
- About
  What we believe, what we build and how we work.
- Blog
  Practical Bitcoin, Nostr and product engineering guides.

Focused engineering for Nostr and Bitcoin products

We help teams build products around identity, signing, publishing, payments and privacy, so their users keep control of their own keys and data.

Nostr product development

Focused engineering support for teams building Nostr-native products, identity systems, publishing flows, signers and protocol-aware user experiences.

Bitcoin product development

Engineering for Bitcoin products: payments, wallet-connected flows and designs where users hold their own keys.

What we are best at

Specialist product work, not generic software contracting.

We are strongest when the work involves real protocol constraints, trust boundaries, user control and product decisions that affect identity, keys, payments, publishing or privacy.

Trust-aware UX

Clear consent flows, safer approval patterns and product behaviour that respects real security boundaries.

Identity and signing

Product work shaped around identity control, account flows, signers and permission-aware interactions.

Publishing and content flows

Better tools and workflows for creation, publication, distribution and user-owned content models.

Bitcoin-aligned product design

Payment journeys, wallet-connected flows and product architecture that leaves users holding their own keys.