Invented after co-founder Celine Lazorthes struggled to collect all the money money for a student weekend trip, today group payments platform Leetchi has taken money from more than 5m people. Meanwhile MangoPay the white label payments service which underpins the platform and which she also founded is now being used by more than 1000 businesses to process payments around the world. In the latest episode of the FinTalk podcast, we talk to Celine about the realities of building a financial tech startup, French fintech and women in tech.