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In contrast to conventional approaches that treat PUFs and TRNGs as separate entities, our platform integrates both entropy sources within a single stochastic nanomaterial system, enabling parallel and co\u2010localized operation. The mixed zinc gallate (ZGO) nanoclusters (NCs) present stochastic properties in which size\u2010dependent variations influence device resistance, capacitance, and noise characteristics. These variations lead to unique device signatures, while time\u2010dependent noise fluctuations serve as a TRNG source. The proof as a PUF is confirmed by the difference in position through the measurement of the work function, capacitance, and impedance. The device\u2010derived TRNG bitstreams from 20 devices exceeded the acceptance threshold of 0.01 for all 11 reported NIST criteria. By integrating the stochastic characteristics arising from the spatially dependent and time\u2010dependent properties from mixed ZGO NCs, the dilemma of a single device is solved. 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