Fun

Fun is a payments infrastructure company that provides high-converting rails for moving money on blockchains. Its platform offers deposit, withdrawal, orchestration, and checkout solutions that enable fintechs, DeFi platforms, and sports gaming companies to optimize payment infrastructure, reach new customers, and reduce costs. Fun has processed over $18 billion in annual volume with a success rate exceeding 99.999% and settlement times under five seconds for million-dollar trades. The platform supports 50+ payment methods across 100+ countries through a single unified flow. Customers include Polymarket, the world's largest prediction market, and Ostium, a market leader in real-world asset trading. Founded in 2022 and headquartered in San Francisco, Fun has raised $75.9 million at the Series A stage, including a recently announced $72 million Series A round, from investors including JAM Fund, Soma Capital, Multicoin Capital, SignalFire, MaC Venture Capital, and Streamlined Ventures.