Block, Inc. is an American technology company and financial services provider for consumers and merchants. Founded in 2009 by Jack Dorsey, it is the U.S. market leader in point-of-sale systems. As of 2024, Block serves 57 million users and 4 million sellers, processing $241 billion in payments annually. Block's inaugural product Square, launched in 2009, is a point-of-sale system. It allows sellers to accept card payments and manage operations, including bookings, e-commerce, inventory, payroll, banking, and obtaining business loans. Additionally, Block's portfolio includes Cash App, a consumer-focused digital wallet introduced in 2013. This app allows users to send, receive, save or borrow money, access a debit card, invest in stocks and bitcoin, and file taxes. Block also owns Afterpay, a buy now, pay later business; Bitkey, a self-custody bitcoin wallet; Proto, a bitcoin mining system; and Tidal, a music streaming business.