Unfortunately, many of non-custodial exchange service are copies of https://changelly.com/, with some edits (new GUI, site update,...etc.) I checked your listed cryptos and it seems that there is a great similarity between them and changelly. Is this site a copy of it?

Are you ready to pay some money guarantee to a "trusted member" in case of any problems?

Transfer fees are expensive, how do you plan to attract customer attention? A simple comparison between you and changelly.

1 bitcoin ---->  44.16673624  ETH  (  https://changelly.com/  )   |  1 bitcoin ---->  43.77194335  ETH  (  https://swapspace.co/  )

1 bitcoin ---->  35602.61585  XRP  (  https://changelly.com/  )   |  1 bitcoin ---->  35307.2  XRP  (  https://swapspace.co/  )

1 bitcoin ---->  130.23841722  LTC  (  https://changelly.com/  )   |  1 bitcoin ---->  129.481  LTC  (  https://swapspace.co/  )
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1 bitcoin ---->  162870.2595  ADA  (  https://changelly.com/  )   |  1 bitcoin ---->  162308.05023429  ADA  (  https://swapspace.co/  )