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Anticounterfeit labels with multiple information‐carrying functions serve a critical role in boosting security and minimizing counterfeit‐related losses, whose development remains challenging. Here, a security label with the ability to encode information in reflective and fluorescent sates is fabricated from light‐emitting polymer‐stabilized blue phase (LE‐PSBP) liquid crystals (LCs). The LE‐PSBP...