You should move this thread to
Scam AccusationI am afraid you can hardly get your refund if the user had an intend to scam you but atleast he/she will be painted for this Scam accusation against him.
Perhaps than he/she might refund you!
Selly is not always safe and you should check the feedback first before sending the funds or try using escrow services for your deals.
Bitify is a good option with escrow.
Quoting for further reference:
Luno scammed
dragon_man1 for $75 via selly.gg autobuy link for iCard verified account.