
Payy raises $6m seed to build private stablecoin payments on zero-knowledge rails
Payy raised $6m led by FirstMark to build a zero-knowledge L2 and wallet that make $USDC payments private by default, targeting enterprise stablecoin flows that avoid fully transparent chains. Summary Payy, a New York-based stablecoin startup, closed a $6 million seed round led by FirstMark Capital in December 2025, bringing its total funding to $8 million. The company is building a privacy-focused payments network using zero-knowledge proofs, arguing that public blockchain transparency is a fundamental blocker to enterprise stablecoin adoption. Payy already has 100,000+ users across 120 countries and processes around $130 million in annualized transaction volume, with a mainnet…








