PProtocol Lab
Payments & Financial Rails

Payments & Financial Rails

Payment architecture for the state: disbursements, collections, and the rails they travel on.

Overview

When a government pays a farmer a subsidy or a citizen pays a licence fee, that transaction travels over rails someone owns. This publication treats the civic payment layer as public infrastructure: interoperable, switch-agnostic, and priced as a utility rather than a franchise.

Reference architecture

The architecture separates the instruction layer (what the state orders paid, to whom, against which entitlement) from the settlement layer (which rails move the money). Entitlement-anchored instructions from PL-02 are rail-agnostic by construction.

Standards & interoperability

Interface

Standard

Role

PAY-MSG

ISO 20022

Payment instruction and status messaging.

SWITCH

Mojaloop-pattern APIs

Inter-scheme interoperability without a private monopoly switch.

Downloads & citation

This publication is in drafting.