By Lars Mucklejohn Open finance is key to making the UK a global leader in fintech and unlocking more public listings, the boss of a government-backed industry hub has told City A.M., as the sector struggles to lure investors. Ezechi Britton, chief executive of the Centre for Finance, Innovation and Technology (CFIT) said the UK needed to follow up on its progress with open banking to better compete with other countries. “Where the UK leads, the rest of the world follows,” he said. “We saw that with open banking, where so many other regions have taken our standards and APIs, run with it and ar…