This is not an exploit.

It's similar to quickswitching in TF2, the user switched amounts before you accepted, and as a consequence if you had accepted the trade it would've been your fault for not being aware.

If this is all the proof you have, I'm afraid this is Denied

This is not an exploit. It's similar to quickswitching in TF2, the user switched amounts before you accepted, and as a consequence if you had accepted the trade it would've been your fault for not being aware. If this is all the proof you have, I'm afraid this is [b]Denied[/b]