French startup Vybe has raised a $2.9 million funding round (€2.4 million) to build a challenger bank for teens. The company is currently testing its product with a soft launch. Users get a Mastercard payment card paired with an e-wallet. Each Vybe account comes with its own IBAN so that users can send and receive money. If you want to open an account and you are less than 18 years old, you have to go through the KYC process (know your identity) with your parent. As for parents, they can…