= Quantum fingerprinting
{wiki=Quantum_fingerprinting}
Quantum fingerprinting is a quantum communication technique that allows two parties to efficiently compare information—specifically, it enables one party to determine if their data matches that of another party with significantly reduced communication complexity compared to classical methods. The core idea behind quantum fingerprinting is to use the principles of quantum mechanics, particularly quantum superposition and entanglement, to create a compact representation (or "fingerprint") of the information that needs to be compared.
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