We know that for the last step of QRNG: we need to separate quantum and classical noises from each other so we use extractors, after extractor we need privacy amplification step. At this point: if extractor is a strong extractor we can use it as a privacy amplification too. However I could not understand differences between extractor and privacy amplification. If I use the strong extractor for the second time, will I be able to complete my privacy amplification step? What will change in privacy amplification? If what happens, privacy amplification will be completed? Thanks



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