This book constitutes the proceedings of Cryptographers’ Track at the RSAC Conference, CT-RSAC 2026, held in San Francisco, CA, USA, during March 23–26, 2026.

The 12 papers included in this book were carefully reviewed and selected from 37 submissions. The papers were organized in topical sections as follows: Systemization of Knowledge (SoK); Homomorphic and Searchable Encryption; RSA and Group Signatures; Post-Quantum Cryptography; Side-Channel and AI Security; and Hash and Zero-Knowledge.