Security and privacy in digital economy : first international conference SPDE 2020 Quzhou China October 30 November 1 2020 : proceedings This book constitutes the refereed proceedings of the First International Conference on Security and Privacy in Digital Economy SPDE 2020 held in Quzhou China in October 2020*. The 49 revised full papers and 2 short papers were carefully reviewed and selected from 132 submissions. The papers are organized in topical sections: cyberspace security privacy protection anomaly and intrusion detection trust computation and forensics attacks and countermeasures covert communication security protocol anonymous communication security and privacy from social science. *The conference was held virtually due to the COVID 19 pandemic Cyberspace Security Privacy Protection Anomaly and Intrusion Detection Trust Computation and Forensics Attacks and Countermeasures Covert Communication Security Protocol Anonymous Communication Security and Privacy from Social Science.