Cardano is intensifying its quantum security measures in response to growing concerns about potential cryptographic vulnerabilities by 2029. The blockchain platform's developer, Input Output, is advancing its Vision 2026 proposal, which focuses on enhancing security, scalability, and identity services. This initiative comes as Google's Quantum AI research highlights the potential risks quantum computing poses to current encryption methods, such as elliptic-curve cryptography. Input Output's roadmap integrates post-quantum security planning with scalability upgrades, including Layer 2 technologies and zero-knowledge infrastructure. The proposal outlines improvements like ZK-rollups and data availability solutions to boost transaction throughput while fortifying defenses against future quantum threats. Cardano's proactive approach aims to ensure long-term resilience and efficiency in the face of emerging quantum computing challenges.