Alice and Bob perform an interactive error correction scheme called Cascade on the public channel in order to locate and correct the erroneous bits in their sifted bit strings. Further details:Cascade was run 4 rounds in order to correct the errors.0 erroneous bits were detected and corrected.20 bits were leaked in order to detect and correct the errors.With an error probability of 0.0, the Shannon bound for the number of leaked bits is: 0.0,compared to the actual number of leaked bits: 20.