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However, security problems such as data integrity are becoming a major obstacle. Recently, blockchain-based verification approaches have been extensively studied to get rid of a centralized third-party auditor. Most of these schemes suffer from poor scalability and low search efficiency and even fail to support data dynamic update operations on blockchain, which limits their large-scale and practical applications. In this work, we propose a blockchain-based dynamic data integrity verification scheme for cloud storage with T-Merkle hash tree. A decentralized scheme is proposed to eliminate the restrictions of previous centralized schemes. The data tags are generated by the technique of ZSS short signature and stored on blockchain. An improved verification method is designed to check the integrity of cloud data by transferring computation from a verifier to cloud server and blockchain. Furthermore, a storage structure called T-Merkle hash tree which is built based on T-tree and Merkle hash tree is designed to improve storage utilization of blockchain and support binary search on chain. Moreover, we achieve efficient and secure dynamic update operations on blockchain by an append-only manner. Besides, we extend our scheme to support batch verification to handle massive tasks simultaneously; thus, the efficiency is improved and communication cost is reduced. Finally, we implemented a prototype system based on Hyperledger Fabric to validate our scheme. Security analysis and performance studies show that the proposed scheme is secure and efficient.<\/jats:p>","DOI":"10.1155\/2021\/9977744","type":"journal-article","created":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T22:35:20Z","timestamp":1635806120000},"page":"1-17","source":"Crossref","is-referenced-by-count":6,"title":["Enabling Decentralized and Dynamic Data Integrity Verification for Secure Cloud Storage via T-Merkle Hash Tree Based Blockchain"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0238-6616","authenticated-orcid":true,"given":"Kai","family":"He","sequence":"first","affiliation":[{"name":"School of Math and Computer Science, Wuhan Textile University, Wuhan, China"},{"name":"Hubei Clothing Information Engineering Technology Research Center, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2523-436X","authenticated-orcid":true,"given":"Chunxiao","family":"Huang","sequence":"additional","affiliation":[{"name":"School of Math and Computer Science, Wuhan Textile University, Wuhan, China"},{"name":"Hubei Clothing Information Engineering Technology Research Center, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8908-1921","authenticated-orcid":true,"given":"Jiaoli","family":"Shi","sequence":"additional","affiliation":[{"name":"School of Information Science and Technology, Jiujiang University, Jiujiang, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6239-8585","authenticated-orcid":true,"given":"Xinrong","family":"Hu","sequence":"additional","affiliation":[{"name":"School of Math and Computer Science, Wuhan Textile University, Wuhan, China"},{"name":"Hubei Clothing Information Engineering Technology Research Center, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1979-5013","authenticated-orcid":true,"given":"Xiying","family":"Fan","sequence":"additional","affiliation":[{"name":"School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1145\/2658991"},{"key":"2","first-page":"1","article-title":"Dynamic security properties monitoring architecture for cloud computing","volume-title":"Security Engineering for Cloud Computing:Approaches and Tools","author":"M. 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