9 Optical, weighing, measuring, signalling and checking instruments, namely transmitters, sensors, and receivers that measure temperature, humidity, motion, vibration, shock, pressure, CO2, and light and ensure that digital data is safely transmitted for use in connection with device security, device identity, secure communications, machine transactions, and blockchain technology and for industrial Internet of Things (IoT) data management and analysis; Alarm triggering electronic surveillance apparatus, namely electronic systems and devices that register deviation of measured physical condition or tracked shipment progress from specified requirements and trigger alarm via communication interfaces; electronic navigational, tracking and positioning apparatus and instruments; alarm sensors; computerized data processors, namely sensors, data loggers, data transmitters and computer servers; Computer software to condition, encrypt, store, analyse and transmit data, for data authentication, condition monitoring of physical goods and surveillance of condition monitoring; Electronic surveillance apparatus, electronic localization trackers, electronic motion trackers, environmental condition trackers including , heat detectors, temperature-, humidity-, motion-, vibration-, shock-, pressure-, CO2 measuring instruments, Velocity sensors, namely, electronic sensors for detecting velocity, tilt, rotation rate and acceleration, and photosensors, namely, electronic sensors for detecting the presence of visible light, infrared transmission, and ultraviolet energy