Whitepaper v1.1 (Published)
Includes:
- European retail payment context and A2A opportunity
- Problem analysis (fragmentation, merchant acceptance costs, interoperability gaps)
- Alignment with EU instant payments strategy and SCT Inst
- High-level architecture (payment payload model, Merchant Registry, conceptual flows)
- Governance model (MTÜ stewardship, Technical Operator separation)
- Implementation roadmap
- Risk considerations and mitigations
Technical Specification v0.1 (Draft)
Defines:
- Payment payload specification (QR carrier profile in v0.1)
- Merchant Registry data model
- Registry lookup and validation interface (resolver)
- Error handling and response codes
- Static vs dynamic merchant-presented flow rules
- Conformance requirements and certification principles
Draft v0.1 is non-normative. v1.0 is normative.
Planned Documents
- e-QR Rulebook v1.0
- Certification and conformance guide
- Governance charter
- Implementation experience reports
Communications
Public updates, published specifications, and governance materials are made available through this site and associated public repositories.
Contact details are provided for administrative and governance-related matters.