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Before vault: virtual card, email alias, ask before any payment

A bot that reads strangers' messages now holds your card — treat that as prompt injection with a payment method.

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What hurt

@0xCortiq's checklist before turning on the Grok Bot vault: separate low-limit virtual card (never main), email alias for bot sign-ups, one instruction line to ask before any payment, no bank logins, weekly activity-log review. Tip only. Not affiliated with xAI.

What to install or create

Virtual card + alias + ask-before-pay line + no bank login + weekly log.

Bots

  • Any payment-capable bot

    May use vault only after you set card limits and ask-before-pay.

Plugins

  • None on day one. Follow the first-run steps.

Files

  • Optional: standing ask-before-pay line in bot instructions.

Routines

  • Weekly: read the bot activity log.

The prompt

This is a tip, not a pasteable system prompt. The author did not publish one. Follow the first-run steps.

First run

  1. 1Read https://x.com/0xCortiq/status/2113748396653854945 (credit @0xCortiq).
  2. 2Issue a separate virtual card with a low limit; never store your main card.
  3. 3Make an email alias only for bot sign-ups.
  4. 4Add one standing line: ask me before any payment. Do not store bank logins.
  5. 5Review the bot activity log every week.

Approval fence

Bot must ask before any payment; you never give main-card or bank login.

What to tweak

Steal the five gates; skip none before the vault holds a card.

Source

Cortiq @0xCortiq · Original post

Not affiliated with xAI. We did not write this prompt. Third-party template terms still apply.

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