Bitcointalk username: colvis
Link to the content:
1. https://steemit.com/blockchain/@colvis/hdac-blockchain-based-iot-contract-and-m2m-transaction-platform-is-changing-the-world
2. https://medium.com/@colvis/hdac-blockchain-based-iot-contract-and-m2m-transaction-platform-is-changing-the-world-2d404921112e
3. https://www.linkedin.com/pulse/hdac-blockchain-based-iot-contract-m2m-transaction-platform-gospel/
4. https://mrcolvis.blogspot.com.ng/2017/12/hdac-blockchain-based-iot-contract-and.html

Telegram username: @colvis2
Bitcoin address: 1NzWfi7pLckNjoeZcn4UDjismjwxoHx7HW
E-mail: colvis.gi@gmail.com