A $13 Trillion Wall Street Corner Is Quietly Going on Blockchain

JPMorgan Chase & Co. spent hundreds of millions of dollars over the course of more than a decade developing systems using blockchain, a novel technology that was supposed to radically upend financial markets, but has yet to become a game-changer.

In at least one area, though, the bank and the technology are beginning to make progress: repo.

The nearly $13 trillion market isn’t the flashiest outpost on Wall Street, but it’s the vital plumbing that keeps the money flowing. Through repurchase agreements, or repos, firms exchange Treasuries for cash — typically overnight — providing the short‑term funding that underpins trading, settlement and market‑making across the financial system. ...