This operational pattern is actually a classic wash trading and pump-and-dump scheme. Let's break down the entire process.

The scammer first gains trading access to an account with a large fund balance (only trading rights, withdrawal rights are held by the victim). Then, they open multiple small fund accounts under their own name simultaneously—these small accounts have limited funds but are enough to coordinate the main operation.

Next, they use the controlled large account to aggressively pump the price, creating a false impression of a breakout. The coin price soars, and the market follows suit. At this point, the small accounts take the opportunity to close positions for profit, while simultaneously withdrawing funds and shorting, waiting for the large account to absorb the sell-off and crash the price.

Finally, the large account gets hit again, and the scammer runs away with the profits from the small accounts, leaving victims with only the manipulated large account and losses. The entire chain relies on information asymmetry and account permission differences to coordinate manipulation.

This type of scam is especially common in coins with frequent wash trading. Participants must be vigilant for abnormal trading signals involving multi-account coordination.