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• 05:13, 3 January 2025 Robertsdotpm talk contribs created page Hashcash for proving set membership (Created page with "Algorithms like merkle trees and bloom filters allow you to take a group of data items and construct a unique fingerprint of the set. The fingerprint can then be used as a way to prove that some or all members in the group are part of that “fingerprint.” These constructs are useful and you seem them used a lot in blockchains. The issue for me with these data structures is really the size of the meta data relative to the set size: Bloom filters suck because they only...")