Privacy Preserving Blockchain Technique to Achieve Secure and Reliable Sharing of IoT Data[J] CMC-COMPUTERS MATERIALS & CONTINUA 2020(65) Bao Le Nguyen Lydia, E. Laxmi Elhoseny, Mohamed Pustokhina, Irina, V Pustokhin, Denis A. Selim, Mahmoud Mohamed Gia Nhu Nguyen Shankar, K.