Wall Street Backs Blockchain for Savings on Derivatives DTCC chooses startup Axoni to use the tech behind bitcoin to track payouts between big banks Telis Demos Jan. 9, 2017 A big Wall Street middleman is bringing in the technology behind the digital currency bitcoin to try to save banks tens of millions of dollars on fees for derivatives trades. Following a series of tests last year, the Depository Trust & Clearing Corp. has picked startup Axoni to use a blockchain—the networking system originally created to move digital currencies—to start tracking credit-derivatives payouts between big banks by early next year, the...