Conference official website：http://www.biotc.net/ Meeting time：July 07-09, 2019. Meeting place：Okinawa, Japan. Host unit：ACM Singapore Chapter. keynote speaker： Prof. Chin-Chen Chang Feng Chia University, Taiwan Prof. Maode Ma Nanyang Technological University, Singapore Prof. Qun Jin Waseda University，Japan Published by： Accepted papers will be published in the International Conference Proceedings Series by ACM and indexed by Ei Compendex and submitted to be reviewed by Scopus and Thomson Reuters Conference Proceedings Citation Index. Call for Papers： Blockchain for Internet of Things. Enterprise asset management with IoT and blockchain. Blockchain for Government. Government operation with blockchain. Blockchain Fundamentals. Alternative proof of work algorithms. Blockchain for Automotive. Mobility services management with blockchain. Blockchain for Medicine and Health Care. Patient consent and health data exchange with blockchain. Blockchain for Banking and Finance. Trade finance with blockchain. Blockchain for Travel and Transportation. Blockchain for Supply Chain. Fraud and error reduction with blockchain. Supply chain management with blockchain. Brand management with blockchain. Important Dates Deadline (full text) : May 25, 2019. Conference Contact :Ms. Amanda Wong mailbox: biotc.contact@gmail.com Tel: +86-021-59561560