Block

Block, Inc. (formerly Square) is an American financial technology company founded by Jack Dorsey that operates a suite of products including Square for merchant payments and Cash App for consumer financial services. The company also has ventures in Bitcoin development (Spiral), music streaming (TIDAL), and decentralized web infrastructure (TBD). In 2025–2026, CEO Jack Dorsey cited growing AI tool capabilities as justification for cutting approximately 4,000 employees — roughly 40% of the workforce.