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An empirical study on the complexity, security and maintainability of ethereum-based decentralized applications (DApps)

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Blockchain(Research and Applications) 2023年第2期4卷 28-40页

作者： Noama Fatima Samreen Manar H.Alalfi Department of Computer Science Toronto Metropolitan UniversityTorontoON M5B 2K3Canada

The ethereum blockchain’s smart contract is a programmable transaction that performs general-purpose computations and can be executed automatically on the *** this component,blockchain technology(BT)has grown beyond the scope of cryptocurrencies and can now be applicable in various industries other than *** this paper,we investigated the current trends in ethereum-based decentralized applications(DApps)to be able to categorize and analyze the DApps to measure the complexity of smart contracts behind them,their level of security and their correlation to the maintainability of the *** leveraged the source code analysis,security analysis,and the developmental metadata of the DApps to infer this *** on our findings,we concluded that the maintainability of ethereum DApps is proportional to the code size,number of functions,and,most importantly,the number of outgoing invocations and statements in the smart contracts.

关键词： Blockchain technology ethereum smart contracts Code metrics Software complexity Software security Software maintainability Decentralized applications

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Designing an optimized confidential-data management system using preeminent accesscontrol and block-chain

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International Journal of Intelligent Computing and Cybernetics 2023年第1期16卷 17-29页

作者： K.Madhura R.Mahalakshmi Presidency University BangaloreIndia

Purpose-The blockchain system is required for coordinating and managing the information across the *** internal assurance of the information system is under threat and requires a defined and arbitrary system for protective information *** primary analysis of defining and providing the access to the data or information is proposed in this *** major challenge faced by organizations is providing and maintaining security to the cumulated data infrastructure,protecting the confidential data flow within the infrastructure and to ascertain ethical operations within the ***/methodology/approach-In this paper,a top-down approach is utilized to solve the issues faced during confidential data storage,track and alert internal malignant *** web content management system(WCMS)market is growing and the challenging desideratum of solving security issues are *** research proposes a top-down security implementation methodology which alters the access control of the organization running the WCMS,it is a highly secure access-control with activity tracker that records who did what activity and who is responsible for malignant access ***-The upgraded access control system is implemented utilizing the most influential blockchain technology where the hash engendered by the Inter Planetary File System(IPFS)cloud is stored on the block to implement a confidential data tracker;a supplemental level of security is integrated to the admin by verifying its account ID by storing it on to the astute contracts and applying two-step *** of security is integrated during storage by integrating RHS *** limitations/implications-This system is proposed for the confidential student data storage(for *** documents,marks cards etc.)and tracking maleficent ***/value-The upgraded access control system is implemented using the most influential blockchain technology where

关键词： WCMS Blockchain ethereum smart contracts IPFS Cloud computing

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