"CEO Jack Dorsey has publicly touted how Cash App is mentioned in hundreds of hip hop songs as evidence of its mainstream appeal. A review of those songs show that the artists are not generally rapping about Cash App’s smooth user interface—many describe using it to scam, traffic drugs or even pay for murder."
Hindenburg made a music video compiling the references that is...uh...worth watching: https://www.youtube.com/watch?v=StjWk3Mj-M4