Ricky Knox Co-Founder, Tandem, and Managing Partner, Hexagon Partners, at “Banking on the Future”, a seminar produced by Fiserv, Innovate Finance and techUK, discusses how traditional banks’ digital transformation is impeded by legacy systems, legacy profits and the difficulty of accessing and aggregating their data - and how digital challengers will exploit big data technologies to make their services more widely available while at the same time more closely identifying their ideal customers.