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There are a lot of oblivious transfer algorithm. What is the best? It would be good if it were malicious secure, but that is not necessary, if this make protocol very difficult/slow. This protocol should be not very difficult, but the most important it should be fast and has low communication complexity.

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  • $\begingroup$ In the case of large scale, IKNP-style or PCG-style OTE framework can bring cheap overhead for computation, but not for communication due to the inherent characteristics of OT. As far as I know, the most efficient OT with low communication was [Ferret][1]. [1]: eprint.iacr.org/2020/924 $\endgroup$
    – X.H. Yue
    Oct 13, 2023 at 1:48

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