Dorsey co-founded Square in 2009 with a focus on in-person payments and its namesake card reader, which let people accept credit card payments on a smartphone. San Francisco-based Square has since added a peer-to-peer digital banking app and small business lending, received a bank charter and begun offering crypto and stock trading. The company has acquired buy-now-pay-later provider Afterpay and Jay-Z’s music streaming service Tidal. It’s also doubling down on bitcoin with a crypto-focused business called TBD.