Professional services firm, Deloitte, has made its first investment in a blockchain company; Deloitte has invested an undisclosed amount in blockchain startup SETL; SETL and Deloitte recently partnered on the successful use of blockchain technology with Metro Bank payment cards; in regards to the investment and partnership with SETL, Deloitte's CEO Peter Randall said, "Together, we have the opportunity to offer a unique blockchain service to a range of financial services companies." Source