You can trade through the lightning network with the dex app dex.robosats.com (open in Tor Browser).
Discussion
dex app at dex.robosats.com is the new RoboSats Federation that allows multiple and independent coordinators to host the orders, improving robustness and decentralizing the app.
https://learn.robosats.com/robosats/update/pre-release-robosats-decentralized/