Rudolf Jacobus Coetzee

The SPT-Txn Framework: A Token-Based Architecture for Sovereign Policy Enforcement in Cross-System Transactions

2026 · Zenodo (CERN European Organization for Nuclear Research)

Cross-system financial transactions increasingly require policy enforcement that is portable, tamper-evident, and verifiable across organizational and jurisdictional boundaries. Existing authorization frameworks, including OAuth 2.0, attribute-based access control (ABAC), and smart contract-based approaches, address policy enforcement …