Decentralized authentication is a method for verifying user identity without relying on a single, centralized authority. It uses blockchain technology or distributed ledger systems to manage and validate credentials, giving users greater control over their personal data. This approach enhances security by eliminating single points of failure and reducing the risk of data breaches. It supports self-sovereign identity models, where individuals control their digital presence.
Context
Decentralized authentication is a significant area of research and development within the digital asset space, aiming to replace traditional login systems. Debates focus on achieving user-friendliness and broad interoperability while preserving privacy and security guarantees. A critical future development involves the widespread adoption of decentralized identity standards and protocols that allow users to securely prove attributes without revealing excessive personal information.
Expander Signature decouples heavy key generation from verification, enabling resource-limited devices to achieve constant-size, efficient, and forward-secure authentication.
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