Beyond Anonymity - Pseudonyms person pseudonym linkability role pseudonym relationship pseudonym role-relationship pseudonym transaction pseudonym anonymity
Beyond Anonymity - Pseudonyms person pseudonym linkability role pseudonym relationship pseudonym role-relationship pseudonym transaction pseudonym anonymity
The Problem responder initiator connection request choose pseudonym pseudonym P R choose pseudonym (P R ) pseudonym P I
A Solution? responder initiator connection request, ID R choose pseudonym (ID R ) pseudonym P R , ID R choose pseudonym (P R ) pseudonym P I , ID I
Open questions • ID - properties? – Spoofing? – Randomly distributed over a large range? – Linkability? – Cryptography and DoS? • Reaction on wrong P I ? • Other approaches to the problem?
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