Fun raises $72m to power unified fiat and crypto rails for apps like Polymarket and Aave, after quietly processing over $18b in annual payment volume.
Summary
- Payment infrastructure startup Fun has raised $72 million in Series A funding led by Multicoin Capital and SignalFire to power fiat and crypto rails for consumer apps.
- The company provides deposit and withdrawal infrastructure for platforms like Polymarket, Lighter, and Aave, and says it processed more than $18 billion in transaction volume over the past year.
- New investors include Infinity Ventures, Pharsalus Capital, and Tinder co-founder Justin Mateen, as Fun positions itself as a neutral, API-first “money layer”…







