Questions tagged [unlinkability]

Unlinkability of two items means that an adversary cannot determine if the items are related. It is often a goal in systems dealing with anonymity and other forms of privacy.

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blind signature

Reading this paper, I have some questions about blind signatures What is the meaning for unlinkability of blind signatures? I searched wiki, but still cannot understand exactly. In blind signatures (...
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Linkable ECDSA like signature [closed]

In our process of digital checks for banking - which needs to work online and offline - the receiver needs to know the chain of all generated signatures without consulting an Internet service. In this ...
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Choice of bilinear group for implementation of BLS signature with NIWI proof?

I am trying to sign the multiple (millions of) different readings but the receiver should not be able to link multiple signed readings together (unlinkability) or with the identity of the signer (...
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Unlinkability of Merkle-Damgård hash function results

Question: Are multiple outputs of a Merkle-Damgård hash function (or specifically SHA-256, if this can only be said for a specific algorithm) on unknown data unlinkable? If yes: Can this be formally ...