Quantum Governance in Practice

Carlos Caleiro, Paulo Mateus, Amı́lcar Sernadas +1 more

Venkata Bharadwaj Komaragiri, G Keerthana, S. K. Fathima +3 more

Combining quantum computing with digital interaction platforms creates the potential to secure public engagement, enable decentralized data exchange, and to optimize policy across various sectors.Most of them mainly concentrate on the theoretical optical/quantum cryptography and network security, but they lack practical realizing the user-centric digital platform.This paper fills this gap by presenting a well-defined framework that harmonizes quantumsecured decentralized architectures with blockchain and Web 3.0 technologies toward transparency, security, and policy-governed governance.We advance beyond the modeling for traditional cryptographic models to build practical applications for the real world where users can confidently interact with their market and governments in a secure, efficient, and trustless manner.We also present guidelines for standardization and empirical validation strategies to reconcile the gap between theory and practical usability.Through the exploration of quantum-resistant cryptographic mechanisms and decentralized governance models, this study offers innovative solutions that adapt to the challenges posed by quantum computing for secure digital interaction in the quantum era, thereby optimizing policy-making and empowering secure citizen engagement within a decentralized landscape.

Miguel Ángel Blanco, Manuel Serrano

Elija Perrier

Abstract The emergence of quantum information technologies with potential application across diverse industrial, consumer and technical domains has thrown into relief the need for practical approaches to their governance. Technology governance must balance multiple objectives including facilitating technological development while meeting legal requirements, normative expectations and managing risks regarding the use of such technology. In this paper, we articulate a variety of idealised governance models and approaches for synthesising these complementary and sometimes competing objectives. We set out a comparative analysis of quantum governance in the context of existing models of technological governance. Using this approach, we develop an actor-instrument model for quantum governance, denoted the ‘quantum governance stack’, across a governance hierarchy from states and governments through to public and private institutions. Our model sets out key characteristics that quantum governance should exhibit at each level in the stack, including identification of stakeholder rights, interests and obligations impacted by quantum technologies and the appropriate instruments by which such impacts are managed. We argue that quantum governance must be responsive based on (a) the state of technology at the time; (b) resource and economic requirements for its development; and (c) assessments and estimates of the near-term and future impacts of such technology. Our work provides a pragmatic introduction to quantum governance by (a) specifying a taxonomy of governance actors and instruments and (b) providing examples of how different stakeholders within the stack might implement governance responses to quantum information technologies. It is intended for use by stakeholders in government, industry, academia and civil society to help inform their governance response to the quantum technology revolution.

Arinze Mba, Idahosa Emmanuel

Quantum computing presents a long-term challenge to the cryptographic foundations that secure modern digital financial systems. While significant progress has been made in post-quantum cryptographic standardisation, practical migration remains a complex challenge involving operational continuity, governance requirements, regulatory obligations, infrastructure dependencies, and performance constraints. This research proposes a Governance-Aware Post-Quantum Cryptographic Migration Framework designed for digital financial infrastructures operating within emerging and resource-constrained environments. The framework introduces adaptive migration orchestration principles that integrate governance enforcement, hybrid cryptographic transition strategies, performance-aware migration zones, and formal migration-state abstractions capable of supporting future verification activities. Unlike traditional migration approaches that focus primarily on cryptographic replacement and interoperability, the proposed framework treats post-quantum migration as a controlled systems transition process requiring coordination between security objectives, compliance requirements, operational resilience, and infrastructure readiness. The work contributes a hybrid cryptographic state-transition model, governance-aware migration control mechanisms, performance-constrained migration orchestration principles, and a TLA⁺-ready formal migration abstraction intended to support future validation of migration safety, governance consistency, and operational stability. This manuscript is intended as a research contribution toward practical and scalable post-quantum migration strategies for financial ecosystems preparing for the transition to quantum-resilient security architectures.

Prateek Tandon, Stanley Lam, Ben Shih +3 more