Real game partners have the "Partner" tag before their username in chat. If it appears after or looks like a regular message, it is a fake.
While there are many scripts available for Roblox's Toilet Tower Defense (TTD) trade scam toilet tower defense mobile script verified
He downloaded the file: trade_scam_verified.lua . No virus warning. No second thought. Real game partners have the "Partner" tag before
Scammers use various tactics to trick players out of their units during Trading : No virus warning
The search for a "verified" trade scam script is the perfect Gordian knot of irony. You are looking for a trustworthy method to commit untrustworthy acts. It does not exist.
A trade scam is when a Steam user convinces another user to make a deal (trade, gift or market transaction) under false pretenses. Player Trading Scams - Roblox Support