The Type dimension of the Digital Car Keys market is divided into NFC, Bluetooth Low Energy (BLE), Ultra‑Wideband (UWB), QR‑code, and cloud‑based solutions. NFC remains the largest sub‑segment, accounting for roughly 45 % of total revenue, because its near‑field communication aligns with existing smartphone hardware and offers low latency for lock/unlock functions. BLE follows with an estimated 30 % share, driven by its broader device compatibility and support for remote vehicle access via mobile apps. UWB, though currently a niche at about 10 %, is gaining traction due to its precise ranging capabilities that enhance security against relay attacks. QR‑code and cloud‑based keys together represent the remaining 15 %, primarily serving low‑cost vehicle models and aftermarket retrofits where hardware integration costs must be minimized. Collectively, these technology categories shape the market’s growth trajectory, with each contributing proportionally to the overall market size based on adoption rates, cost structures, and security considerations.