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PROOF OF WORK

Make automation pay without punishing every device.

Proof of work is an optional V2 step-up for requests that need more evidence but do not yet justify an interactive challenge.

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03 core areas 01Adaptive difficulty02Verified by the server03A step, not a trap

Trust architecture

Adaptive difficulty

Difficulty stays within configured limits and considers declared device class, risk level, and recent issuance load.

  • Minimum and maximum bounds
  • Weak-device reduction
  • Load-aware adjustment

Trust architecture

Verified by the server

The browser worker searches for a nonce, but the server recomputes and validates the result before issuing a token.

  • SHA-256 verification
  • Origin binding
  • Attempt limits

Trust architecture

A step, not a trap

Timeout and error states are explicit, and higher-risk requests can move to an accessible interactive path.

  • Worker execution
  • Complete error callbacks
  • Interactive fallback

CONTINUE EXPLORING

Follow the most relevant path without losing the context of this page.

01

Security

Inspect the verification boundaries.

 02

Privacy

Understand evidence minimization.

 03

Bot protection

Layer controls against abuse.

START WITH A REAL SITE

Build a safer user journey.

Register a hostname and choose the amount of verification friction each action deserves.

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