Please check out my answer above. Have a look at this project carefully because this is something revolutionary. When I say "revolutionary" I mean the IoTeX innovations are industry-oriented thus absolutely solid and designed to be effective and working just immediately for any IoT manufacturer: no matter the device, no matter the application - IoTeX Blockchain is focused on IoT as a whole, and delivers all the required features (over all, massive scalability, instant finality and full privacy and smart contracts), in one single solution ready to be put at work tomorrow!