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Blind signatures are online by definition. They involve at least two independent parties that interact during the signature generation process. A protocol is "online" if a successful execution of the protocol requires an exchange of messages between two or more independent parties. Consequently, no application of blind signatures, including a digital cash ...


The first google-entry brought up this paper. To answer your questions: An anonymous signature is a signature that is unforgeable in the classic sense. But without the message no informations about the signer can be extracted from the signature even if brute-force of all public keys is possible. If I'm understanding things correctly, a blind signature ...

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