OPNX backed by Appworks, MIAX Group, SIG, among others OPNX, a crypto bankruptcy claims exchange firm co-founded Kyle Davies, has received backing from distinguished firms. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ April 21, 2023 7:00 pm