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"Zero-knowledge proof" in my opinion is a very meaningful discovery in cryptography. Simply put, zero-knowledge proof is a secret that the prover can convince the verifier that he knows without revealing any useful information.

For example: A is going to school in PKU, and he wants to prove to B that he is the case, but he does not want to show B his admission notice (for example, the picture of the notice is too ugly, emmmm), at this time A uses zero knowledge to prove it This …