Fun

Fun is a payments infrastructure provider for fintechs and other platforms that move money on blockchains. It supplies the rails for funding, deposits and withdrawals, and its Checkout product lets users pay with 50+ methods across 100+ countries through one flow. The company says it processes more than $18B in volume per year with a success rate above 99.999%, and that a $1m trade settles in under five seconds. Named customers include Polymarket, whose deposits and withdrawals Fun says it powers, and the RWA trading venue Ostium. Fun states that it provides technology infrastructure only, and that payment and financial services are delivered by its partners under their own regulatory authorisations.