The largest provider of post-trade services to US financial institutions is working with Blythe Masters' fintech startup to bring the blockchain to the country's giant repo market.

The Depository Trust & Clearing Corporation said on March 29 that it plans to develop and test a distributed ledger-based system for managing the clearing and settlement of "US treasury, agency, and agency mortgage-backed repurchase agreements" - or repos - with startup Digital Asset Holdings.