TLDR
USDC, DAI, USDP, many ERC 20s implement EIP 2612 permit(). Phishing site asks for 'gasless approval' signature; attacker calls permit() then transferFrom(). Indicators: (1) signature request has primaryType='Permit'; (2) value is uint256...
How it works
USDC, DAI, USDP, many ERC 20s implement EIP 2612 permit(). Phishing site asks for 'gasless approval' signature; attacker calls permit() then transferFrom(). Indicators: (1) signature request has primaryType='Permit'; (2) value is uint256...
Red flags
- Urgent pressure to click, pay, or share codes immediately.
- A link or sender that does not match the official organization.
- Requests for card data, passwords, OTPs, wallet signatures, or bank transfers.
What to do
- 1Do not click, pay, install apps, or share verification codes.
- 2Verify through the official website, app, or phone number typed manually.
- 3If you already interacted, block cards or accounts and report the incident.
Source
FAQ
Is EIP 2612 permit signature drain on USDC / DAI a real scam pattern?
Yes. Treat the message, call, or payment request as suspicious until you verify it through an official channel.
What are the first warning signs?
Urgent pressure to click, pay, or share codes immediately.; A link or sender that does not match the official organization.; Requests for card data, passwords, OTPs, wallet signatures, or bank transfers.
What should I do first?
Do not click, pay, install apps, or share verification codes.; Verify through the official website, app, or phone number typed manually.; If you already interacted, block cards or accounts and report the incident.
Can LegalAudit check my case?
Yes. Start a free chat and paste the message, link, sender, or payment details for triage.