Nok Nok provides the trust fabric of the 21st century connected digital economy. With a unified authentication platform, it unlocks access to buildings, homes and any IoT services using a mobile phone. Leading device and access control system vendors are using Nok Nok for digitizing their products, interface with mobile and IoT devices, and secure the products. With easy to use IoT and embedded server SDKs, manufacturers can support a spectrum of device and user authentication flows such as User to Device, Device to Device, Device to Cloud and more. The platform supports both explicit and implicit authentication, with or without user interaction. IoT, connected cars, home automation, and other smart device manufacturers, can now provide high assurance products and prevent device spoofing, man-in-the-middle (MITM) and other scalable attacks.