https://swaps.org is suspicious, there is no git repository to check the software code and i do not see any technical details of the swap privacy.
https://www.trustpilot.com/review/swaps.org
https://www.mywot.com/scorecard/swaps.org
https://www.scamadviser.com/check-website/swaps.org
I suggest if anyone try it, please leave a review of the transacted amount and cryptocurrencies used.