Global Quantum Key Distribution (QKD) Market By Component (Solutions (Discrete Variable QKD, Continuous Variable QKD), Services (Professional Services (Consulting & Training, Integration & Deployment), Managed Services)), By Type (Multiplexed QKD Systems, Long-Distance QKD Systems), By Transmission Medium (Fiber-Optic Cable Transmission, Satellite-based Transmission), By Organization Size (SMEs, Large Enterprises), By Application (Network Security, Data Encryption, Others), By Vertical (BFSI, Government & Defense, Others), By Regional Analysis, Global Trends and Opportunity, Future Outlook By 2025-2035