>>718599124
For me
>Lineage 2 circa 2005-2006~
>looking to complete my first S grade armor set
>some guy with the armor set equipped "bro I have an extra helmet from that armor, want it in exchange for your A grade weapon?"
>"sure"
>we start a trade
>I put my weapon but he doesn't put the armor
>"it's there bro, don't you see it?"
>"no"
>"oh :/ I think it's a bug or something, happens occasionally, but it'll show up in your inventory trust me bro"
>"oh okay"
>accept trade
>"hey I don't see the helmet, where is it?"
>"fuck off"
>blocks me

First and last time I got scammed in my life. 20 years later, if someone talks to me on the street I immediately put my hands in my pockets to cover my phone and wallet.