Square's Cash App has become the go-to money transfer service in the lyrics of some of the world's most famous rappers and musicians. The phrase "Cash App" has been used by 200 hip-hop artists, handily surpassing the nearest competitors Venmo (110 tracks) and Zelle (3 tracks).
Exactly how Cash App caught on with rappers is a bit of a mystery to its parent company, Square, known for its credit-card readers that plug into smartphones. Cash App was originally envisioned as a way to send money through email and an app. In the years since, Cash App added the ability for its roughly 15 million monthly active users to get paycheck direct deposits and debit cards, and even to buy and sell bitcoin. Its target is the 63 million U.S. adults left behind by banks, not an audience that has much in common financially with hip-hop moguls.