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Ë´hÖë¿©åàVAL¥That wouldn't make sense so I guess no DEX does. Even traditional exchanges could be implemented in a way which eliminates trust (it was another patent CSW trolled).
https://whatsonchain.com/tx/f2a43f474491a86f30eff7d013065aec13a7a99b898b4bd7f45a859a76ed8401