OffQen Asset & Resource Center
Everything you need to understand OffQen at a glance — an infographic and mind map for the big picture, a short demo video of the offline protocol, and the complete 10-book specification as a downloadable PDF.
Offline-First Payment System — visual overview
A complete visual walkthrough in four volumes: the connectivity gap and the hybrid wallet solution, the offline payment lifecycle, core technical innovations (STP, chain of custody), and the full security stack.
Official Specification — mind map
The entire OffQen official specification mapped at a glance: introduction & philosophy, the 10-book documentation suite, the offline payment protocol, transaction lifecycle, security & fraud prevention, and the future roadmap.
OffQen Offline Protocol — watch it work
A short walkthrough of the offline payment flow — two devices, zero internet, and a signed transaction that reconciles the moment connectivity returns.
Watch the protocol walkthrough on Google Drive. The video is hosted externally.
OffQen Offline Payment Protocol — full 10-book specification
The complete official specification — executive overview, product requirements, protocol, security architecture, software requirements & design, API, database design, developer guide, and business & regulatory books. Open it in a new tab or download a copy.
Use Open PDF to read the specification in your browser, or Download PDF to save a copy.