In 2020, Wirecard, a German start-up that became an online payment giant, collapsed following revelations of fraud on an unprecedented scale. A look back at the rise and fall of a black shee... Read allIn 2020, Wirecard, a German start-up that became an online payment giant, collapsed following revelations of fraud on an unprecedented scale. A look back at the rise and fall of a black sheep of fintech.In 2020, Wirecard, a German start-up that became an online payment giant, collapsed following revelations of fraud on an unprecedented scale. A look back at the rise and fall of a black sheep of fintech.