The UniqueID PUF (Physically Unclonable Function) Core leverages chip-specific microscopic variations formed during manufacturing to generate a unique fingerprint for each FPGA. This core is pivotal in creating secure cryptographic keys, thereby enhancing the security of digital operations such as bitstream encryption. By utilizing these inherent chip characteristics, the UniqueID PUF core ensures robust protection against cloning and unauthorized access. This innovative approach underscores Cologne Chip's commitment to advancing security technology in semiconductor devices.