AtomicDEX uses a proven P2P protocol— libtorrent, a particular implementation of the BitTorrent DHT— to form the main networking layer, known as Market Maker 2.0.

https://komodoplatform.com/atomicdex-komodos-revolutionary-p2p-atomic-swap-decentralized-exchange-now-in-public-beta/

AtomicDEX can technically support over 95 percent of all assets including Bitcoin, all UTXO-based coins, Ether and ERC-20 tokens, and any coin that supports time- and hash-locked payments.