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Divisible E-Cash from Constrained Pseudo-Random Functions
E-Cash anonymity Constrained PRF
2019/2/26
Electronic cash (e-cash) is the digital analogue of regular cash which aims at preserving users' privacy. Following Chaum's seminal work, several new features were proposed for e-cash to address the p...
Aggregate Cash Systems: A Cryptographic Investigation of Mimblewimble
Mimblewimble Bitcoin commitments
2018/11/2
Mimblewimble is an electronic cash system proposed by an anonymous author in 2016. It combines several privacy-enhancing techniques initially envisioned for Bitcoin, such as Confidential Transactions ...
Off-line Digital Cash Schemes Providing Unlinkability, Anonymity and Change
Digital money group blind signature double spending
2017/12/25
Several ecash systems have been proposed in the last twenty years or so,each offering features similar to real cash. One feature which to date has not been provided is that of a payee giving change to...
Zero-Knowledge Arguments for Lattice-Based PRFs and Applications to E-Cash
Lattices pseudo-random functions zero-knowledge arguments
2017/9/13
Beyond their security guarantees under well-studied assumptions, algebraic pseudo-random functions are motivated by their compatibility with efficient zero-knowledge proof systems, which is useful in ...
中国科学院上海生命科学研究院（人口健康领域）科研人员研发了pre-mRNA可变剪接分析软件CASH
中国科学院上海生命科学研究院 人口健康领域 科研人员 pre-mRNA 可变剪接 分析软件 CASH
2017/4/18
2017年4月6日，国际著名生物信息学期刊Briefings in Bioinformatics在线发表了中国科学院上海生命科学研究院（人口健康领域）冯英组和浙江农林大学吴文武博士，上海列冰生物科技有限公司宗杰博士的最新研究进展“CASH: a constructing comprehensive splice site method for detecting alternative splic...
合肥工业大学财务管理原理双语课件Chapter7 Funds Analysis,Cash Flow Analysis,and Financial Planning
合肥工业大学 财务管理原理 双语 课件 Chapter7 Funds Analysis,Cash Flow Analysis,and Financial Planning
2016/12/16
合肥工业大学财务管理原理双语课件Chapter7 Funds Analysis,Cash Flow Analysis,and Financial Planning.
AEP-M: Practical Anonymous E-Payment for Mobile Devices using ARM TrustZone and Divisible E-Cash (Full Version)
E-Payment Privacy Mobile Devices TrustZone
2016/5/23
Electronic payment (e-payment) has been widely applied to electronic commerce and has especially attracted a large number of mobile users. However, current solutions often focus on protecting users' m...
The Impact of the PROGRESA/Oportunidades Conditional Cash Transfer Program on Health and Related Outcomes for the Aging in Mexico
Aging Conditional cash transfers Health Mexico
2016/3/18
Conditional cash transfer (CCT) programs link public transfers to human capital investment in hopes of alleviating current poverty and reducing its intergenerational transmission. Whereas nearly all s...
Wildlife win when cash takes edge off “park vs.people” conservation conflict
Wildlife cash takes edge off park vs.people
2016/2/22
Conserving wildlife habitat sounds noble, but when it comes down to work or sacrifice, cold hard cash – a decent amount of it – goes a long way.
Researchers at Michigan State University and their col...
Cryptanalysis on “Secure untraceable off-line electronic cash system”
digital signatures discrete logarithm problem cryptanalysis
2016/1/26
Recently, Baseri et al. proposed a secure untraceable off-line electronic cash
system. They claimed that their scheme could achieve security requirements of an
e-cash system such as, untraceability,...
Divisible E-cash systems allow users to withdraw a unique coin of value 2n
from a bank, but
then to spend it in several times to distinct merchants. In such a system, whereas users want anonymity of...
Fair Multiple-bank E-cash in the Standard Model
Fair multiple-bank e-cash Automorphic blind signature Groth-Sahai proof
2016/1/5
Multiple-bank e-cash (electronic cash) model allows users and merchants to open
their accounts at different banks which are monitored by the Center Bank. Some multiple-bank
e-cash systems were propo...
Compact e-cash schemes allow users to withdraw a wallet containing K coins and
to spend each coin unlinkably. We present the first compact e-cash scheme with arbitrary
wallet size k ≤ K while ...
Divisible E-cash has been introduced twenty years ago but no construction is both fully secure in the standard model and efficiently scalable. In this paper, we fill this gap by providing an anonymous...
Practical Divisible E-Cash
E-Cash divisible constant-size
2015/12/31
Divisible e-cash systems allow a user to withdraw a wallet containing K coins and to spend
k ≤ K coins in a single operation, respectively. Independent of the new work of Canard, Pointcheval,
...