http://z7735okcy6gggduobp6vjfcgwz4ss5eeduww7iw2agjmfgpjlnquezqd.onion/article/pseudonymous_memberships
A blinded contract resembles a Matryoshka doll, where the part with the lowest confidentiality
requirement contains the hashed part with the second-lowest confidentiality requirement, and so on. The only tools we need to create a blinded contract are a text editor, PGP, and some knowledge about hashing and
salting. Hashes and salts A hash is an algorithm that takes an arbitrary input, such as text or a file, and converts these inputs into a
character string.