![R3 plays down own blockchain product ahead of launch](https://s.wsj.net/public/resources/images/FN-AE076_FN_blo_M_20180703063322.jpg)
A blockchain startup backed by many of the world's largest banks does not expect a fast take up of its long-awaited first commercial product after it is unveiled next week.
London-based R3 is set to formally launch its enterprise blockchain product on July 12, head of external affairs Charley Cooper told Financial News.