Results 141 to 150 of about 362 (165)
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State synchronization in process-oriented chaincode
Frontiers of Computer Science, 2019Business processes often involve operational processes, contracts, and regulations. The modeling of such processes must address regulation monitoring and enforcement and maintain a reliable history of data for evidence. This study proposes modeling business processes as chaincode (CC) on permissioned blockchains (BCs). The challenges encountered by the
Wei-Tek Tsai
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Evil Chaincode: APT Attacks Based on Smart Contract
Communications in Computer and Information Science, 2020In this paper, we discuss methods of stealing data via advanced persistent threat (APT) attacks on blockchains. Blockchain technology is generally used for storing data and digital coins and counts more than 562 organizations among its users. Smart contracts, as a key part of blockchain technology, are used for blockchain programmability.
Yujue Wang, Yong Ding, Sheng Wen
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An Attribute-Based Access Control using Chaincode in RFID Systems
2019 10th IFIP International Conference on New Technologies, Mobility and Security (NTMS), 2019Ideal RFID systems used in product lifecycle should satisfy high confidentiality, anonymity, integrity and high availability. However, collection and distribution of RFID data are subject to various security concerns. RFID middleware systems are likely to suffer from parameter manipulation and eavesdropping, raising privacy concerns.
Saioa Arrizabalaga, Javier Añorga
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A Study On Performance Improvement Of Hyperledger Fabric Through Batched Chaincode Message
2020 21st Asia-Pacific Network Operations and Management Symposium (APNOMS), 2020This paper is to improve the performance of Hy-perledger Fabric that is one of the private blockchain open-source projects. The decentralization of data management, which has recently become important, is realized as a blockchain. Blockchain is a technology used in various fields such as data verification, storage, and banking, but performance is one ...
Jung-Won Lee, Sejin Park
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Similarity measure of human body movement through 3D chaincode
2017 18th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD), 2017This paper proposes a method for measuring human body movement similarity by considering human body motion as a set of 3-dimensional curves representing the changes of direction. This analysis method is used for obtaining similarity values of the body movement of various subjects.
Teruhisa Hochin, Hiroki Nomiya
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Electricity Trading Model Based on Chaincode and Multi-stage Hybrid Auction
2020 International Conference on Computer Network, Electronic and Automation (ICCNEA), 2020As a relatively independent power grid structure, microgrid is the main application scenario for distributed energy to participate in the market transaction. The increase of its distributed renewable energy penetration leads to the decentralization of power supply.
Ke Zheng
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CCDetector: Detect Chaincode Vulnerabilities Based on Knowledge Graph
2023 IEEE 47th Annual Computers, Software, and Applications Conference (COMPSAC), 2023Bixin Li
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2025 7th Conference on Blockchain Research & Applications for Innovative Networks and Services (BRAINS)
Stefano Avola +2 more
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Stefano Avola +2 more
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Hyperledger-Operated Blockchain Integration: Writing, Deploying and Testing Custom Chaincode
2023 Sixth International Symposium on Computer, Consumer and Control (IS3C), 2023Mark Philip M. Sy +2 more
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2023 3rd International Conference on Smart Generation Computing, Communication and Networking (SMART GENCON), 2023
Mark Philip M. Sy +2 more
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Mark Philip M. Sy +2 more
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