Jack Dorsey creator, co-founder, and Chairman of Twitter and co-founder & CEO of Square arrives on stage at the Bitcoin 2021 Convention, a crypto-currency conference held at the Mana Convention Center in Wynwood on June 04, 2021 in Miami, Florida.
Joe Raedle | Getty Images
Shares of fintech firm Block surged as much as 19% in after-hours trading Thursday, after the company