The Car Connectivity Consortium (CCC) announced that its CCC Digital Key Release 3.0 specification is finalized and now available to CCC members. The new specification enables passive keyless access and engine start from a compatible mobile device via Ultra Wideband (UWB) in combination with Bluetooth Low Energy wireless technologies. The latest Release addresses security and usability by authenticating the Digital Key between a vehicle and the mobile device over Bluetooth Low energy. The CCC digital Key is a standardized ecosystem that enables mobile devices to store, authenticate, and share Digital Keys for vehicles.
Source: https://www.helpnetsecurity.com/2021/07/15/ccc-digital-key-3-0/