Prosper vs Block
Side-by-side comparison of AI visibility scores, market position, and capabilities
Pioneering US peer-to-peer lending platform founded 2005; $24B+ in loans facilitated; raised $680M total; $500M Fortress forward flow deal in Apr 2025; valued at ~$550M; 492 employees.
About
Prosper Marketplace is one of the original peer-to-peer lending platforms in the United States, founded in 2005 by Chris Larsen and John Witchel in San Francisco as the first U.S. marketplace lending company connecting individual borrowers with investor lenders. The company offers personal loans ($2,000-$50,000), home equity loans, and a proprietary credit card, serving borrowers with fixed-rate installment loans for debt consolidation, home improvement, major purchases, and other personal financing needs. Since its founding, Prosper has facilitated over $24 billion in loans, making it one of the most established names in the marketplace lending industry.
San Francisco fintech (NYSE: SQ) added to S&P 500 July 2025; Cash App $5.0B gross profit, Square $3.7B, Afterpay BNPL integration, Jack Dorsey CEO competing with PayPal/Venmo and Stripe for merchant and consumer fintech.
About
Block, Inc. is a San Francisco, California-based financial technology company — publicly traded on the New York Stock Exchange (NYSE: SQ) as an S&P 500 Information Technology component (added to the S&P 500 on July 23, 2025, replacing Hess Corporation) — operating two primary financial platforms: Square (merchant payment processing, point-of-sale hardware, and business banking for small-to-mid-size merchants) and Cash App (peer-to-peer payments, digital banking, stock investing, and Bitcoin transactions for individuals) alongside Afterpay (buy now pay later), Tidal (music streaming), and TBD (decentralized finance), through approximately 12,000 employees. CEO Jack Dorsey (co-founder with Jim McKelvey in 2009 as Square, rebranded to Block in December 2021) leads the company's strategy of building an interconnected ecosystem of financial services that connect individual consumers (Cash App) with merchants (Square) and the broader financial ecosystem. In fiscal year 2024, Block reported gross profit of approximately $8.9 billion, with Cash App generating approximately $5.0 billion in gross profit (+14% year-over-year) driven by Cash App Card, direct deposit adoption, and Cash App Pay, while Square generated approximately $3.7 billion in gross profit (+9%) driven by software and banking products alongside payment processing. Block acquired Afterpay for $29 billion in January 2022 — integrating the Australian buy-now-pay-later platform into both Square (merchant installment offer at checkout) and Cash App (consumer Afterpay integration).
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