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Physical Unclonable Functions
In article number 2210621, Bowen Zhu, Hong Wang, and co‐workers use printed epsilon‐type‐structure transistor arrays with a modified indium tin oxide coffee‐ring structure to construct physical unclonable functions (PUFs) that demonstrate near‐ideal uniformity, uniqueness, randomness, reliability, and low power consumption. Additionally, the PUFs are secure against attack...
Printed electronics promises to drive the future data‐intensive technologies, with its potential to fabricate novel devices over a large area with low cost on nontraditional substrates. In these emerging technologies, there exists a large digital information flow, which requires secure communication and authentication. Physical unclonable functions (PUFs) offer a promising built‐in hardware‐security...