Proof of Position
At the dawn of the IoT world, we are experiencing billions of devices that have been deployed in houses, offices, warehouses, industries, farms, cities, and rural areas. In the near soon they will become trillions and many of them will be playing cardinal surveillance, financial, or privacy roles. The ability to detect intentional malicious false device positions or unintentional erroneous positions owing to harsh environmental conditions will prevail. Cloud & Edge approach powered by collaborative positioning and blockchain technologies appears as the appropriate way to go.