This book constitutes the proceedings of the 8th International Symposium
on Security and Privacy in Social Networks and Big Data, SocialSec 2022,
which took place in Xi'an, China, in October 2022.
The 23 papers presented in this volume were carefully reviewed and
selected from 103 submissions. The papers were evaluated on the basis of
their significance, novelty, technical quality, as well as on their
practical impact or their level of advancement of the field's
foundations. They were organized in topical sections as follows:
Cryptography and its applications; Network security and privacy
protection; Data detection; Blockchain and its applications.