Henrique Dubugras is the cofounder of Brex, which provides corporate cards for startups.Anu Hariharan is a Partner at YC.Brex went through YC in the Winter 2017 batch and just closed their Series B, which was led by YC Continuity.In addition to discussing how the Brex team built out their service, Anu and Henrique also cover the specifics of what it takes to build a fintech startup in 2018. And Henrique shares advice for young founders, as he started his first company at 16.Read the transcript on our blog.