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Proof of Human Intent

Interstellar ensures that no critical digital action — transaction, agent delegation, smart-contract call, account recovery — is executed unless a human has cryptographically approved that exact action, even when the device is compromised.

1. Instant Execution​

For non-critical actions, execution happens instantly or via simple device biometrics.

2. Proof of Human Intent​

For critical actions, execution requires an embedded secure PoHI screen — prompting the user to input a randomly generated one-time code, enshrined and displayed alongside the intended action.

Try the Secure PoHI Screen​

Open a live simulation of the approval flow:

  1. Choose the device you're currently using
  2. Press Ok — you can leave the participant field empty
  3. Take a screenshot
  4. Look at your screenshot

For the full walkthrough, see visual simulation.

Intent Logic​

Customize which actions require PoHI verification — with a minimum advised requirement for high-value transactions and account recovery, where strong security is crucial.

If a user unknowingly initiated a critical action (due to phishing, blind signing, a rogue agent request, and so on), PoHI triggers automatically, alerting them to the true intent behind the action.

Proof of Human Intent

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Dive into the threat model and explore the dynamic visual cryptography behind Proof of Human Intent.