Home Bitcoin OPNX, the Exchange Built by Founders of Doomed Hedge Fund Three Arrows, Is Shutting Down 2 years ago 2 years ago OPNX, the Exchange Built by Founders of Doomed Hedge Fund Three Arrows, Is Shutting Down by Nick Baker 2 years ago2 years ago Customers were advised to settle their positions by Feb. 7 and withdraw their money by Feb. 14. Source link Post PaginationPrevious PostPreviousNext PostNext