Abstract

Concurrent non-malleable zero-knowledge (\(\mathrm {CNMZK}\)) protocols are zero-knowledge protocols that are secure even when the adversary interacts with multiple provers and verifiers simultaneously. Recently, the first statistical \(\mathrm {CNMZK}\) argument for \(\mathcal {NP}\) was constructed by Orlandi et al. (TCC’14) under the DDH assumption.

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