A solution architect is designing a system for managing academic credentials. The system must allow universities to issue digital diplomas (Verifiable Credentials) to students, who can then present them to potential employers for verification. A core requirement is that students must have full control over their own identity data, without relying on a central identity provider. Which architectural model is best suited for this requirement?
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A
A federated identity model using SAML assertions.
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B
A centralized identity model with a master user database.
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C
A self-sovereign identity (SSI) model using Decentralized Identifiers (DIDs).
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D
A platform-based identity model managed by a social media provider.