[2017-01-12]DTCC in collaboration with IBM, Axoni and R3 creating..

[Alex077]

DTCC - IBM, Axoni and R3

The Depository Trust & Clearing Corporation (DTCC), the world's largest post-trade hub, has informed it would transform Trade Information Warehouse (TIW) using blockchain, this structure manages post-trading processing for all credit derivatives in the US market. The launch will be held in 2018. The main contractors are IBM, Axoni and R3...https://bit.news/eng/dtcc-collaboration-ibm-axoni-r3-creating-credit-derivatives-platform-using-blockchain/

[TraderTimm]

Other stories only mention IBM being the partner. Somehow I doubt they'd enlist multiple sources - they have to pick one kind of implementation, after all.