Financial technology is all grown up. This year SXSW Interactive, the popular tech conference, has decided to embrace the sector for the first time ever by hosting a fintech panel.Among the factors that led to SXSW determining fintech was mature enough for its own accelerator: Millennials embracing the technology; Internet-of-things companies and consumers adopting mobile and frictionless transactions; governments looking at what their roll is; and innovators working to increase financial inclusion on a global level.