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What anonymous offline electronic money systems exist and what are they based on? I know only one currently - eCash, based on RSA blind signatures.

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  • $\begingroup$ Are you sure such a system can even exist? I think that out of secure, anonymous and offline, you can only have two at the same time. $\endgroup$ – CodesInChaos Apr 20 '12 at 11:13
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http://faircash.org/technology/teleportation.html

Due to the Digital Coin concept, a value transfer between payer and payee is realized by transferring ownership of the eCoin. An essential part is the way how this transfer is conducted: Following the cash paradigm, it needs to be done peer-to-peer and offline in a repeatable way. Such a transfer is called teleportation.

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