After Wirecard AG (Wirecard) collapsed in 2020, the financial technology (fintech) company, revealed as an elaborate fraud, came to be known as Germany’s Enron as investigators confirmed many of the concerns that had been raised by whistle-blowers and journalists. For instance, they confirmed that the company was using round-tripping to inflate revenues and that escrow accounts in Southeast Asia did not exist. Auditors had raised concerns for years, but then signed off on the company’s financial statements. What were the responsibilities of regulators and auditors with regard to the company, and what red flags should they have paid attention to?