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However, centralized IDM solutions come with high trust costs, single points of failure, and a need for appropriate security response. This paper proposes a novel decentralized IDM framework utilizing blockchain technology and automatic provisioning (AP) techniques to improve cloud computing\u2019s security, scalability, and operational efficiency. The framework employs Ethereum smart contracts and role\u2010based access control (RBAC) to ensure secure, transparent, and automated management of user identities. Key features include support for single sign\u2010on (SSO), multifactor authentication (MFA), and delegated proof\u2010of\u2010stake (DPoS) consensus for secure transaction validation. Our proposed scheme utilizes the Ethereum blockchain and smart contracts for managing user access, ensuring transparent and immutable record\u2010keeping. The scheme introduces RBAC mechanisms to ensure precise privilege allocation and dynamic updates. The scheme also supports key IDM processes, including SSO, MFA, and lifecycle management of identities. The framework incorporates DPoS consensus to enhance security for efficient transaction validation and the prevention of fraud. To address fraudulent activities, the scheme uses machine learning to detect blockchain fraud with 99.1% accuracy, demonstrating robustness and efficiency for large\u2010scale cloud infrastructures.<\/jats:p>","DOI":"10.1155\/int\/2969737","type":"journal-article","created":{"date-parts":[[2025,9,3]],"date-time":"2025-09-03T12:06:42Z","timestamp":1756901202000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Decentralized Identity Management in Cloud Computing: A Blockchain\u2010Based Solution With Automatic Provisioning Techniques"],"prefix":"10.1155","volume":"2025","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8951-4096","authenticated-orcid":false,"given":"Ayman Mohamed","family":"Mostafa","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9643-6719","authenticated-orcid":false,"given":"Ehab R.","family":"Mohamed","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7175-3446","authenticated-orcid":false,"given":"Asmaa","family":"Hanafy","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0161-7147","authenticated-orcid":false,"given":"Faeiz","family":"Alserhani","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2708-2064","authenticated-orcid":false,"given":"Ghadah Naif","family":"Alwakid","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-2000-3886","authenticated-orcid":false,"given":"Reham","family":"Medhat","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8571-8828","authenticated-orcid":false,"given":"Mohamed","family":"Ezz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8145-2575","authenticated-orcid":false,"given":"Amjad","family":"Alsirhani","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,9,3]]},"reference":[{"key":"e_1_2_17_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cose.2021.102580"},{"key":"e_1_2_17_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/nem.2180"},{"key":"e_1_2_17_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.bushor.2016.08.002"},{"key":"e_1_2_17_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10723-013-9283-2"},{"key":"e_1_2_17_5_2","doi-asserted-by":"publisher","DOI":"10.1080\/10580530.2020.1738601"},{"key":"e_1_2_17_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11280-021-00874-7"},{"key":"e_1_2_17_7_2","doi-asserted-by":"publisher","DOI":"10.3390\/s23031264"},{"key":"e_1_2_17_8_2","doi-asserted-by":"publisher","DOI":"10.3390\/app11041772"},{"key":"e_1_2_17_9_2","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2018.2812844"},{"key":"e_1_2_17_10_2","doi-asserted-by":"publisher","DOI":"10.4018\/978-1-5225-2193-8"},{"key":"e_1_2_17_11_2","doi-asserted-by":"publisher","DOI":"10.3390\/s22239074"},{"key":"e_1_2_17_12_2","doi-asserted-by":"publisher","DOI":"10.1186\/s13677-023-00444-4"},{"key":"e_1_2_17_13_2","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2023.3255885"},{"key":"e_1_2_17_14_2","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2019.2933989"},{"key":"e_1_2_17_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.measen.2023.100732"},{"key":"e_1_2_17_16_2","doi-asserted-by":"publisher","DOI":"10.3390\/app11010196"},{"key":"e_1_2_17_17_2","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2021.3138203"},{"key":"e_1_2_17_18_2","doi-asserted-by":"publisher","DOI":"10.1080\/01969722.2022.2112544"},{"key":"e_1_2_17_19_2","doi-asserted-by":"publisher","DOI":"10.1007\/s12083-021-01150-1"},{"key":"e_1_2_17_20_2","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2022.3233828"},{"key":"e_1_2_17_21_2","doi-asserted-by":"publisher","DOI":"10.1007\/s12083-021-01277-1"},{"key":"e_1_2_17_22_2","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2020.2985762"},{"key":"e_1_2_17_23_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.advengsoft.2022.103235"},{"key":"e_1_2_17_24_2","doi-asserted-by":"crossref","unstructured":"KalitaK. 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