Teenager-focused digital banking app Step collected $22.5m in the Stripe-led series A round, which featured WndrCo and existing backer Sesame Ventures.

US-based teen-focused mobile financial services provider Step secured $22.5m on Thursday in a series A round led by mobile payment technology provider Stripe.

Sesame Ventures, the investment arm of children’s entertainment production company Sesame Workshop, and media holding company WndrCo also contributed to the round alongside Crosslink Capital, Collaborative Fund, Dreamers Fund and assorted private investors.

Step is developing a mobile app that enables teenagers and young adults to set up a free digital bank account.

The app is connected…