What is changing now
The current pattern.
Marketplace fraud targets both sides of a sale. Buyers may see copied listings or be pushed toward unprotected payment. Sellers may receive fake payment notifications, overpayment stories, courier requests or verification-code demands. The common move is to replace the platform’s evidence and dispute process with information controlled by the stranger.
How it works
Confidence first, then pressure.
A fraudulent seller may copy photos from a genuine listing, price the item just below the market and create urgency around another interested buyer. They request a deposit or full payment outside the platform and offer excuses for why collection, inspection or protected checkout is unavailable.
A fraudulent buyer may claim to have paid, then send a copied receipt or an email that says the seller must upgrade an account, pay a fee or refund an overpayment. Another variant asks for a verification code supposedly to prove the seller is real; the code may instead create or take over an account.
A real name, profile age, review score or local phone number can be stolen or compromised. Safer verification comes from the marketplace’s own order state, the financial account itself, and a transaction process that preserves the platform’s protection.
Worked example
A realistic pattern, separated into evidence.
This composite example is educational. It does not describe a real person or reproduce a live malicious message.
A buyer’s courier and payment email arrive together
- 01The opening
A buyer accepts the asking price immediately and says a relative or courier will collect the item. They ask for the seller’s email address because the payment app supposedly needs it.
- 02The escalation
An official-looking email says payment is pending until the seller buys a voucher or sends a refundable upgrade fee. The buyer shares a screenshot and pressures the seller because the courier is already on the way.
- 03The decision point
The marketplace does not show a paid order and the real payment account shows no funds. The only evidence comes from the buyer and a message that asks the recipient to pay in order to receive money.
Warning signs
Reasons to stop and verify.
- Immediate agreement to buy without normal questions about the item
- Pressure to move chat, checkout or delivery outside the marketplace
- A screenshot or email presented as the only evidence of payment
- A fee, account upgrade or voucher required before receiving money
- Overpayment followed by a request to return the difference
- A request for a one-time code to prove that you are a real buyer or seller
Independent verification
Test the request without using its evidence.
These checks deliberately move the decision away from the person, link, number or account that introduced the request.
- 01
Check the platform state
Open the marketplace directly and confirm whether it records an order, payment and protected delivery. Messages outside the platform do not replace that record.
- 02
Check the financial account
Sign in to the payment provider independently. Do not use an email link or accept a screenshot as proof of cleared funds.
- 03
Read the protection rules before paying
Confirm which items, payment methods, delivery methods and deadlines are covered. Off-platform payment usually removes the marketplace’s ability to help.
- 04
Verify the item or buyer without codes
Use in-platform history, inspection and ordinary questions. A stranger does not need a code sent to your phone to verify that you are real.
Safer response
Move the decision outside the contact.
- 01
Keep the transaction on-platform
Use the marketplace’s messaging, checkout and dispute process when it offers them.
- 02
Prefer protected payment
Use a payment method with appropriate purchase protection and avoid gift cards, crypto, wire transfers and friends-and-family transfers to strangers.
- 03
Inspect before release
Sellers should confirm cleared payment; buyers should inspect or use protected delivery before the transaction becomes irreversible.
- 04
Save the complete record
Keep the listing, profile, platform messages, order state and payment record until the dispute window has passed.
If you already acted
Protect access and contact the real provider.
- Contact the marketplace and payment provider immediately through their official apps or websites.
- Ask the card issuer or payment service what dispute or reversal process applies.
- Change credentials and secure the linked account if a code or password was shared.
- Preserve the listing, profile, messages, receipts, collection details and shipping information.
- Report the account to the platform and to the relevant consumer-protection or police service for your location.
Sources
Official guidance used for this article.
Stop & Verify summarises these sources for general education. Reporting routes and legal protections vary by location.