One of the important use-cases of Zero-knowledge proofs is privacy focused applications where the identity of the user must remain hidden but verifiable. There are many schemes, I would like to show a Group signature scheme with merkle tree. Group Signatures schemes are signature verification schemes where the identity of the signer stays hidden but it’s verifiable to be originating from a group. The group size is the Anonymity set which determines how private the scheme is. A group of 4 woul...