The document discusses MobilePay, a Danish payment product that has over 2.3 million users. It was successful because it allowed users to link their local debit cards, making transactions cheaper than credit cards. Additionally, when first launching, the regulator allowed MobilePay to operate for a year without know-your-customer checks while making a decision on regulations. The document also discusses how Luxembourg can benefit from new financial products and that established companies should support using existing payment methods in new ways.