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https://dl.acm.org/doi/10.1145/2905055.2905118

Quoting the above paper's abstract, "Biometric cryptosystem can apply fuzzy vault, fuzzy commitment, helper data and secure sketch, whereas, cancelable biometrics uses distorting transforms, Bio-Hashing, and Bio-Encoding techniques."

It differentiates between a fuzzy vault and a fuzzy commitment scheme. How are the two different? Where does fuzzy extractor lie in this context?

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