Background: Contemporary market systems are being shaped by three simultaneous transformations: changing consumer buying behavior, the expansion of digitally enabled financial inclusion, and the emerging cybersecurity challenges associated with quantum computing. Although these themes are often examined separately, they are connected by common concerns relating to trust, perceived risk, institutional readiness, information asymmetry, and technology adoption. Studies on frozen food consumption show how price, convenience, packaging, quality perceptions, and household characteristics influence consumer choice (Olsen, 2004; Kardes et al., 2004; Ogba & Johnson, 2010; Arora et al., 2022). Research on microfinance and digital finance demonstrates that access, information and communication technologies, and organizational design shape participation and poverty reduction outcomes (Morduch, 1999; Diniz et al., 2012; Ledgerwood, 2013; Khandker et al., 2020). In parallel, the financial sector is facing urgent questions about quantum threats, post-quantum cryptography, and institutional preparedness (Mosca, 2018; NIST, 2023; ENISA, 2024; World Economic Forum, 2024).

Objective: This article develops an integrative theoretical account of how trust, convenience, affordability, technological capability, and security preparedness jointly influence market participation across consumption and finance.

Methodology: The study uses a qualitative integrative literature review based strictly on the supplied references. Through thematic synthesis, the paper compares findings from consumer behavior studies, food supply chain and frozen food adoption literature, microfinance and ICT scholarship, and post-quantum financial security publications.

Results: Four major themes emerge. First, adoption decisions are strongly conditioned by perceived utility, affordability, and trust. Second, infrastructure and system design mediate whether technology creates inclusion or exclusion. Third, information asymmetry remains a persistent barrier across markets. Fourth, the transition to quantum-safe finance should be understood not merely as a technical migration but as a behavioral, organizational, and developmental challenge.

Conclusion: The paper argues that future-ready financial systems must combine technological resilience with consumer-centered design and inclusive access strategies. Quantum readiness in finance will be effective only when institutional security strategies are aligned with the behavioral realities of users and the developmental lessons of inclusive finance.