Marketplace fraud is an identity business: scammers need handles to collect payments, and handles are reusable. That reuse is the weakness this guide exploits — two minutes of checking before you pay filters out the large majority of scams.
The 2-minute seller check
- Grab the handle — the marketplace username, or the Telegram/WhatsApp/Instagram handle if the deal moved to DMs (itself a warning sign).
- Scan it across 3,000+ platforms (TraceScan, free first scan, 20–30 seconds).
- Read the footprint like an investigator:
| Footprint pattern | Verdict |
|---|---|
| Same handle on forums with scam complaints | Walk away immediately |
| Same handle, multiple marketplaces, always new accounts | Recycled scam persona — walk away |
| Years of consistent history, real community presence | Reasonable trust |
| Handle exists nowhere except this one listing | Inconclusive — apply the trio test below |
The trio test when the scan is inconclusive
- Account age vs. price. A two-week-old account selling at 40% below market is not a lucky find, it is bait.
- Payment direction. Legit sellers accept platform escrow and cards. Pressure to pay by crypto, gift cards or “friends & family” transfers means the transaction is designed to be irreversible.
- Urgency scripts. “3 buyers are waiting”, “price goes up tonight”, “my cousin will handle the payment” — manufactured urgency is there to skip your research.
Buying or selling high-value items
For anything over a few hundred dollars, add a layer: insist on platform escrow or an in-person cash exchange at a safe public location (many police stations offer supervised swap spots). Real sellers accommodate verification; scammers have a thousand reasons why they can’t — and every excuse is information.
For sellers: buyers run the same checks on you
Verification cuts both ways. Buyers increasingly scan seller handles before paying, so a consistent, long-lived handle with real community history is literally money in the pocket. If you trade under different names on every platform, consider consolidating — verifiability converts to sales.