1. CCIOT 2021 is supported by ACM Singapore Chapter.2. Accepted papers will be published in the Conference Proceedings of ACM (ISBN: 978-1-4503-8987-7) and indexed by Ei Compendex and submitted to be reviewed by Scopus and Thomson Reuters Conference Proceedings Citation Index (ISI Web of Science). 3. Keynote Speakers: Prof. Latif Ladid, University of Luxembourg, LuxembourgProf. Dimitrios Georgakopoulos, Swinburne University of Technology, AustraliaProf. Hiroshi Esaki, The University of Tokyo Conference Address: University of the Ryukyus,Okinawa JapanAddress: 1 Senbaru,Nishihara, Okinawa Japan 903-0213 Submission and Contact Methods:Submission Methods: Easy Chair System: http://www.easychair.org/conferences/?conf=cciot2021mail: This email address is being protected from spambots. You need JavaScript enabled to view it. Conference Specialist: Ms. Dasiy ZhengThe aim of CCIOT 2021 is to provide a forum for the scientists to present their latest research results and perspectives for future work in the IoT and Cloud Computing field. CCIOT 2021 will include presentations in form of contributed papers, poster sessions, and state of the art lectures by invited keynote speakers. The history of CCIOT conference:CCIOT 2018 was successfully held in Singapore during October 29-31, 2018. CCIOT 2018 conference proceedings(978-1-4503-6576-5) is archived in the ACM Digital Library on January 1, 2019 and have been indexed by Ei Compendex, Scopus on March 31, 2019. CCIOT 2019 was successfully held in Tokyo, Japan during September 20-22, 2019. CCIOT 2019 conference proceedings(978-1-4503-7241-1) is archived in the ACM Digital Library on November 20, 2019 and have been indexed by Ei Compendex, Scopus on February 1, 2020.