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| Auteur principal: | |
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| Format: | Recurso digital |
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| Publié: |
Zenodo
2025
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| Sujets: | |
| Accès en ligne: | https://doi.org/10.5281/zenodo.17001990 |
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Table des matières:
- <p>Identity is the cornerstone of trust in modern society, yet current systems remain</p> <p>fragmented, document-based, and restricted by national boundaries. Physical passports,</p> <p>national identity cards, and paper records continue to define global mobility and access to</p> <p>services, despite being vulnerable to fraud, inefficiency, and exclusion. This paper argues</p> <p>for the establishment of a universal digital identity (UDI) hosted on a decentralised</p> <p>blockchain network. Under this model, each individual undergoes a one-time biometric</p> <p>enrolment capturing face, fingerprint, and voice data secured through cryptographic</p> <p>hashing and immutably stored on a blockchain ledger. A unique digital identity number</p> <p>(UDIN) is then generated, enabling retrieval of identity records worldwide by authorised</p> <p>institutions. Verification may occur in two ways: by presenting the UDIN or by frictionless</p> <p>biometric authentication, such as smiling at a camera or placing a finger on a scanner,</p> <p>instantly confirming identity against the blockchain. This system eliminates the need for</p> <p>physical documents, reduces fraud, lowers compliance costs, and enhances global</p> <p>mobility and inclusion. The paper sets out the vision, necessity, operational framework,</p> <p>and implications of a blockchain-based UDI, arguing that such a transformation is both</p> <p>inevitable and essential for the future of the digital economy.</p>