> ## Documentation Index
> Fetch the complete documentation index at: https://harbinger.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# FAQ

> Frequently Asked Questions

<Accordion title="What is the Human Verification Card?">
  The Human Verification Card is a pocket-sized card with secret codes hidden under scratch‑off stickers. When verifying a caller, both parties reveal the same code to confirm they are who they claim to be.
</Accordion>

<Accordion title="Do I need any technical skills?">
  No. Setting up the cards is as simple as placing stickers and scratching them off when needed. Anyone can use the card without installing software or managing passwords.
</Accordion>

<Accordion title="When should I use the card?">
  Use it whenever a call, text or email feels suspicious. Hang up, call back using the number you already trust, and compare a code from the card.
</Accordion>

<Accordion title="How do I get more cards?">
  Visit our website or contact us at [support@analog-labs.com](mailto:support@analog-labs.com) to order additional cards for your family or organization.
</Accordion>