Reconfigurable multilevel optical puf by spatiotemporally programmed crystallization of supersaturated solution

Y Kim, J Lim, JH Lim, E Hwang, H Lee… - Advanced …, 2023 - Wiley Online Library
Physical unclonable functions (PUFs) are emerging as an alternative to information security
by providing an advanced level of cryptographic keys with non‐replicable characteristics, yet …

Four-Dimensional Physical Unclonable Functions and Cryptographic Applications Based on Time-Varying Chaotic Phosphorescent Patterns

H Im, J Yoon, B So, J Choi, DH Park, S Kim, W Park - ACS nano, 2024 - ACS Publications
Physical unclonable functions (PUFs) have attracted interest in demonstrating authentication
and cryptographic processes for Internet of Things (IoT) devices. We demonstrated four …

Bioinkjet Printing and Protein Tagging of Camouflaged Biosafe Quick Response Codes for Medicine Authentication

JJ Kim, Y Ji, DL Guo, YL Kim… - Advanced Materials …, 2024 - Wiley Online Library
Online pharmacies and social media platforms are responsible for the growing presence of
counterfeit medicines, and the verification and authentication of dosage levels are …