Fun is a global payments infrastructure connecting fiat and crypto rails, enabling seamless value movement for internet-native capital markets. It offers a white-label orchestration layer powering deposits, withdrawals, settlement, and checkout for high-scale platforms. With $18B+ annual volume, near-perfect reliability, and millions of users across 100+ countries, it supports clients like Polymarket, Aave, and Lighter. Designed for scalability and customization, it aims to bridge traditional fintech with stablecoin-powered systems.