{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T02:17:07Z","timestamp":1784945827364,"version":"3.55.0"},"reference-count":40,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T00:00:00Z","timestamp":1778630400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Science Committee of the Ministry of Science and Higher Education of the Republic of Kazakhstan","award":["BR24993014"],"award-info":[{"award-number":["BR24993014"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Information"],"abstract":"<jats:p>This article discusses the practical implementation of a prototype academic transcript storage system based on blockchain technology and smart contracts. The digital transformation of higher education requires reliable mechanisms for ensuring the integrity and verifiability of academic documents. It presents the design and experimental validation of a blockchain-based system for storing and verifying academic transcripts within the higher education system of the Republic of Kazakhstan. The proposed solution is based on an Ethereum Virtual Machine-compatible smart contract implemented in Solidity and deployed on a test network. The testnet was used as the experimental environment, and transaction monitoring was performed using the BlockScout v11.0.3 explorer. The architecture of the TranscriptStorage smart contract is presented, including a role-based access model, a data indexing mechanism using keccak-256, and storage of transcripts in a mapping structure (bytes32 =&gt; Transcript[ ]). The experimental results confirm the successful recording of the Transcript in the distributed ledger, event recording (Logs), and the correctness of the ABI encoding of input parameters (Raw Input), as well as a change in state (State Changes) reflecting the fee payment. The use of events is shown to enable cost-effective third-party data verification without the need to store the entire text in the contract state. The comparative results showed that the proposed system reduced gas consumption by 804.5% compared to Blockcerts, 48.8% compared to ECertChain, 82.5% compared to ShikkhaChain, and 43.5% compared to zkEVM. These improvements were achieved while maintaining high scalability, robust privacy features, and security, making it a practical solution for Kazakhstan\u2019s educational system.<\/jats:p>","DOI":"10.3390\/info17050478","type":"journal-article","created":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T07:50:15Z","timestamp":1778745015000},"page":"478","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Application of Blockchain Technologies and Smart Contracts for the Storage and Verification of Academic Transcripts in the Higher Education Systems"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5276-6118","authenticated-orcid":false,"given":"Olga","family":"Ussatova","sequence":"first","affiliation":[{"name":"Institute of Information and Computational Technologies, Almaty 050010, Kazakhstan"},{"name":"Department of Cybersecurity, Energo University, Almaty 050013, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vladislav","family":"Karyukin","sequence":"additional","affiliation":[{"name":"Institute of Information and Computational Technologies, Almaty 050010, Kazakhstan"},{"name":"Department of Information Systems, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4907-3345","authenticated-orcid":false,"given":"Yenlik","family":"Begimbayeva","sequence":"additional","affiliation":[{"name":"Institute of Information and Computational Technologies, Almaty 050010, Kazakhstan"},{"name":"Department of Cybersecurity, Energo University, Almaty 050013, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1375-1343","authenticated-orcid":false,"given":"Galimkair","family":"Mutanov","sequence":"additional","affiliation":[{"name":"Institute of Information and Computational Technologies, Almaty 050010, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1104-6808","authenticated-orcid":false,"given":"Yerlan","family":"Kistaubayev","sequence":"additional","affiliation":[{"name":"Institute of Information and Computational Technologies, Almaty 050010, Kazakhstan"},{"name":"Department of Information Systems, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Medet","family":"Turdaliyev","sequence":"additional","affiliation":[{"name":"Institute of Information and Computational Technologies, Almaty 050010, Kazakhstan"},{"name":"Department of Information Systems, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,5,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Biloshchytskyi, A., Omirbayev, S., Mukhatayev, A., Kuchanskyi, O., Hlebena, M., Andrashko, Y., Mussabayev, N., and Faizullin, A. 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