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| 1 | Identifying the vulnerabilities of bitcoin anonymous mechanism based on address clustering显示文摘The anonymity mechanism of bitcoin is favored by the society, which promotes its usage and development. An adversary should not be able to discover the relation between bitcoin addresses and bitcoin users to ensure effective privacy. However, the relation among bitcoin transactions can be used to analyze the bitcoin privacy information, which seriously jeopardizes the bitcoin anonymity. Herein, we describe the vulnerabilities associated with the anonymity mechanism of bitcoin, including the relation among bitcoin addresses and the relation among bitcoin users. Further, we demonstrate that the existing methods do not guarantee the comprehensiveness, accuracy, and efficiency of the analysis results. We propose a heuristic clustering method to judge the relation among bitcoin addresses and employ the Louvain method to discover the relation among bitcoin users. Subsequently, we construct an address-associated database of historical transactions and implement real-time updates. Extensive experiments are used to demonstrate the comprehensiveness, accuracy, and efficiency of the proposed scheme. Specifically, the proposed scheme reveals the privacy vulnerability associated with the blockchain technology. We expect that our scheme can be applied to improve the blockchain technology. | Baokun ZHENG Liehuang ZHU Meng SHEN Xiaojiang DU Mohsen GUIZANI | 2020 | Science China(Information Sciences)2020，63，3： | 4 |
| 2 | PPLS: a privacy-preserving location-sharing scheme in mobile online social networks显示文摘The recent proliferation of mobile devices has given rise to mobile online social networks(m OSNs), an emerging network paradigm that uses social networks as its main design element. As one of the most critical components in m OSNs, location sharing plays an important role in helping users share information and strengthen their social bonds, which however may compromise users’ privacy, including location information and social relationship details. To address these challenges, some solutions have been proposed. However, none of them considers the privacy of inter-user threshold distance, which effectively can be used to identify users, their friends, and location information, by malicious or undesired elements of the system. To overcome this limitation, we propose a secure distance comparison protocol. Furthermore,we present a privacy-preserving location-sharing scheme(PPLS), which allows users to build more complex access control policies. The safety of our scheme is validated by the security analysis and the experimental results demonstrate the efficiency of PPLS scheme. | Chang XU Xuan XIE Liehuang ZHU Kashif SHARIF Chuan ZHANG Xiaojiang DU Mohsen GUIZANI | 2020 | Science China(Information Sciences)2020，63，3： | 2 |
| 3 | The effect of storage temperature on histamine production and the freshness of yellowfin tuna(Thunnus albacares)显示文摘 | Guizani N Abdullah M Busaidy A | 2005 | Food Research International2005，38，2： | 1 |
| 4 | Adaptive Clustering in Wireless Sensor Networks by Mining Sensor Energy Data 显示文摘 | Ci S Guizani M Sharif FI | 2007 | Computer Communlcations2007，30，： | 1 |
| 5 | The gasification reactivity of high-heating-rate chars in single and mixed atmospheres of H20 and COs 显示文摘 | Guizani C Escudero Sanz F J Salvador S | 2013 | Fuel2013，108，： | 1 |
| 6 | Isolation,Purification and Characterization of a Trypsin from the Pyloric Caeca of Mullet (Mugil cephalus)显示文摘 | GUIZANI N ROLLE R S MARSHALL M R | 1991 | Comparative Biochemistry and Physiology1991，98，： | 1 |
| 7 | A- nalysis of cooling curve to determine the end point of freezing 显示文摘 | RAHMAN M S GUIZANI N AL-KHASEIBI M | 2002 | Food Hydroeolloids2002，16，6： | 1 |
| 8 | Incentive scheduler algorithm for cooperation and coverage extension in wireless networks显示文摘 | GUIZANI M RACHEDI A GUEGUEN C | 2013 | IEEE Transaction on Vehicular Technology2013，62，2： | 1 |
| 9 | An effectivc key management scheme for heterogeneous sensor networks 显示文摘 | Du X J Xiao Y Guizani M | 2007 | Ad Hoc Networks2007，5，1： | 1 |
| 10 | The Gasi- fication Reactivity of High-heating-rate Chars in Single and Mixed Atmospheres of HsO and COs 显示文摘 | Guizani C Escudero Sanz F J Salvador S | 2013 | Fuel2013，108，： | 1 |
| 11 | Isolation,purification and characterization of a trypsin from the pyloric ceca of mullet (Mugil cephalus)显示文摘 | Guizani N | 1991 | Comp Biochem Physiol1991，98，： | 1 |
| 12 | Pilot plant testing of a new solar desalination process by a multiple-effect-humidification technique显示文摘 | Houcine I BenAmara M Guizani A | | 0，，1： | 1 |
| 13 | Experimental study of a multiple-effect humidification solar desalination technique显示文摘 | Ben Am~a M Houcinc I Guizani A | | 0，，03： | 1 |
| 14 | The effect of storage temperature on histamine production and the freshness of yellowfin tuna(Thunnus albacares)显示文摘 | Guizani N A1-Busaidy M A A1-Belushi I M | 2005 | Food Research International2005，38，： | 1 |
| 15 | On next generation CDMA technologies: the REAL approach for perfect orthogonal code generation显示文摘 | CHEN H H CHU S W GUIZANI M | 2008 | 1EEE Transactions on Vehicular Technology2008，57，5： | 1 |
| 16 | An Efficient Key Management Scheme for Heterogeneous Sensor Networks显示文摘 | Du Xiaojiang Xiao Yang Guizani M | 2007 | Ad Hoc Networks2007，5，1： | 1 |
| 17 | A routing-driven elliptic curve cryptography based key management scheme for heterogeneous sensor networks 显示文摘 | DU Xiao-jiang GUIZANI M XIAO Yang | 2009 | IEEE Trans on Wireless Communications2009，8，3： | 1 |
| 18 | The effect of storage temperature on histamine production and the freshness of yellowfin tuna 显示文摘 | GUIZANI N AL-BUSAIDY M A AL-BELUSHI I M | 2005 | Food Research International2005，38，： | 1 |
| 19 | Study of temperature and salinity profiles development of solar pond in laboratory 显示文摘 | Dahab M M O Ouni M Guizani A | 2005 | Desalination2005，183，3： | 1 |
| 20 | Inter-group complementary codes for interference-resistant CDMA wireless communications显示文摘 | LI J HUANG A P GUIZANI M | 2008 | 1EEE Transactions on Wireless Communications2008，7，1： | 1 |
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