You can ask us to delete your account through the chat button at the bottom right of the site or at support@skinswap.com. Your account is then banned and deleted; it is the same process as a ban.
If you have a deposit you would like refunded, ask for it before your account is deleted. See Can I get a refund of my deposit?
Related articles: Can I get a refund of my deposit?, The Backpack, How to contact us