Core concepts
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Zero-Knowledge Proofs in Authentication

Zero-Knowledge Proofs in Authentication

How Hawcx uses ZKPs for secure authentication without revealing secrets

Zero-knowledge proofs (ZKPs) are a cryptographic method that allows a user to prove knowledge of a secret without ever revealing the secret itself. This technique is a core component of Hawcx, enabling secure authentication while keeping sensitive data on the user's device.

Reducing Exposure Through ZKPs

The value of zero-knowledge proofs lies in reducing exposure. Unlike passwords or passkeys, which must be stored, transmitted, or synchronized, the secret remains entirely local. The server receives only a proof that the user possesses the secret, without ever having access to the secret itself. This eliminates many common attack vectors, including credential theft and replay attacks.

Strong Privacy Guarantees

ZKPs also support strong privacy guarantees. Because the secret never leaves the device, users retain control over their credentials and sensitive identity material. Authentication flows can be performed over untrusted networks safely, without risking interception of reusable secrets.

Combining Device-Bound Authentication with ZKPs

By combining device-bound authentication with zero-knowledge proofs, Hawcx ensures that authentication is both secure and private. Each device proves its identity without exposing its secrets, making account takeover or credential theft extremely difficult. This approach provides a modern alternative to traditional credential models while maintaining a seamless user experience.