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Compact E-Cash
Theory and Application of Cryptographic Techniques, (2005): 302-321
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This paper presents ecient o-line anonymous e-cash schemes where a user can withdraw a wallet containing 2' coins each of which she can spend unlinkably. Our first result is a scheme, secure under the strong RSA and the y-DDHI assumptions, where the complexity of the withdrawal and spend operations isO('+k) and the user's wallet can be st...更多
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