Fair E-Cash System without Trustees for Multiple Banks
Jingliang Zhang,Lizhen Ma,Yumin Wang +2 more
- pp 585-587
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TLDR
A new fair electronic cash system is proposed based on ACJT group blind signature and secret sharing scheme that is constructed for multiple banks as in the real life, thus it is more practical.Abstract:
A new fair electronic cash system is proposed based on ACJT group blind signature and secret sharing scheme. We use a novel method to trace the e-coin: under normal situation, the bank issues ordinary e-coin, while under abnormal situation such as blackmailing, kidnapping etc., the bank issues marked e-coin, and at the step of deposit, any bank in the group can recognize the marked e-coin. Furthermore, our proposed scheme does not need a special trusted third party besides the Central Bank to trace users: a shop owning suspicious e-coin and the bank having issued the coin can collaborate to find the user using secret sharing scheme, however, any one of them can't trace the user alone. Also, our scheme is constructed for multiple banks as in the real life, thus it is more practical.read more
Citations
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Journal ArticleDOI
Currency security and forensics: a survey
TL;DR: This survey serves as a synthesis of the current literature to understand the technology and the mechanics involved in currency manufacture and security, whilst identifying gaps in theCurrent literature.
Journal ArticleDOI
Provably secure E-cash system with practical and efficient complete tracing
TL;DR: A nested structure of signature of knowledge in payment protocol, which is proved to be a secure application is used for solving the efficiency problem of practical tracing and the detailed security proofs of all security properties of the E-cash scheme are provided.
Journal ArticleDOI
An Electronic Cash System Based on Certificateless Group Signature
TL;DR: This paper proposes an efficient elliptic certificateless group signature with forward security and member revocation based on ACJT group signature, and proves its unforgeability, and prevention against double-spending and money-tampering actions.
Proceedings ArticleDOI
A provably secure and practical fair E-cash scheme
TL;DR: This work presents a new scheme based on group signature with the problems solved, improved E-cash system, where bank performs “double-spending owner tracing” and trusted authority performs "unconditional owner tracing" and "unConditional coin tracing" when necessary.
Journal ArticleDOI
Compact E-Cash with Efficient Coin-Tracing
TL;DR: A non-standard construction is introduced into zero-knowledge proof of payment protocol, which leaks coin information when double-spending but is proven to be perfect zero- knowledge to verifier when spending a coin only once.
References
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Book ChapterDOI
Blind Signatures for Untraceable Payments
TL;DR: Automation of the way the authors pay for goods and services is already underway, as can be seen by the variety and growth of electronic banking services available to consumers.
Book ChapterDOI
A Practical and Provably Secure Coalition-Resistant Group Signature Scheme
TL;DR: A group signature scheme allows a group member to sign messages anonymously on behalf of the group but in the case of a dispute the identity of a signature's originator can be revealed (only) by a designated entity.
Journal Article
A practical and provably secure coalition-resistant group signature scheme
TL;DR: This work introduces a new provably secure group signature and a companion identity escrow scheme that are significantly more efficient than the state of the art.
Journal ArticleDOI
On blind signatures and perfect crimes
TL;DR: A problematic aspect of blind signatures is discussed, showing that this perfect solution to protect the identity and privacy of a user can potentially lead to perfect crime.
Book ChapterDOI
Group Blind Digital Signatures: A Scalable Solution to Electronic Cash
Anna Lysyanskaya,Zulfikar Ramzan +1 more
TL;DR: This paper constructs a practical group blind signature scheme that is an extension of Camenisch and Stadler's Group Signature Scheme that adds the blindness property and shows how to use it to construct an electronic cash system in which multiple banks can securely distribute anonymous and untraceable e-cash.