The white paper highlights the critical need for secure key management in IoT, where billions of devices demand trust as the foundation of security. Traditional methods such as secure elements, key injection, and random number generation rely on storing keys in non-volatile memory, exposing them to risks like cloning, tampering, and reverse engineering. In contrast, SRAM physical unclonable functions (PUFs) generate unique, device-specific fingerprints at startup, enabling invisible, unclonable keys that never reside in memory. This approach simplifies supply chains, lowers costs, and enhances resistance to attacks. Deployed in millions of devices, SRAM PUFs combine security, scalability, and cost efficiency, offering a proven solution to establish trust in IoT.

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