MobilePay launched in Denmark in 2013 and became the standard way to send money by phone number, splitting bills and paying in shops across the country. Its short in-app confirmation tone became familiar from everyday transfers, market stalls and second-hand sales between friends. As Danish creators began screen-recording payments for TikTok, Reels and YouTube edits, the chime was exported on its own and reused as a universal paid stamp, even by viewers who have never used the app itself.