Explore advanced concepts in post-quantum cryptography through this conference session from CHES 2023, chaired by Peter Pessl. Delve into key topics including security models, reductions, implementation results, and entity-based multiplication. Examine the problem statement and goals of masking post-quantum cryptography, addressing potential challenges and nightmares in the field. Gain insights into carry bias and future scope of research. Engage with audience questions to deepen understanding of this cutting-edge cryptographic domain. Access additional resources, including papers and slides, through the provided IACR link for comprehensive study of the subject matter.