Applied Cryptography and Network Security: 19th International Conference, ACNS 2021. Proceedings, Part I

The two-volume set LNCS 12726 + 12727 constitutes the proceedings of the 19th International Conference on Applied Cryptography and Network Security, ACNS 2021, which took place virtually during June 21-24, 2021.
The 37 full papers presented in the proceedings were carefully reviewed and selected from a total of 186 submissions. They were organized in topical sections as follows:
Part I: Cryptographic protocols; secure and fair protocols; cryptocurrency and smart contracts; digital signatures; embedded system security; lattice cryptography;
Part II: Analysis of applied systems; secure computations; cryptanalysis; system security; and cryptography and its applications.