Mats Heming Julner
Paper

Digital Sovereignty Through Explicit Authorization

Cryptographic enforcement of individual control in open systems.

Mats Heming Julner · 2026

Abstract

This paper frames digital sovereignty as a technical property of systems that enforce explicit, bounded, and revocable authorization.

It argues that individual control cannot be preserved by institutional promises alone. Control must be represented as verifiable authorization, constrained by scope and time, and dominated by revocation. The paper describes explicit authorization as a cryptographic design discipline for open systems where participation does not require surrendering authority to platforms, custodians, or intermediaries.