Coinbax, a stablecoin payment infrastructure firm based in New York, has secured $4.2 million in seed funding. The funding round, announced on December 22, was led by BankTech Ventures with participation from Connecticut Innovations, Paxos, and SpringTime Ventures. Coinbax aims to enhance stablecoin payments for institutional and enterprise users by offering programmable custody, reversible transactions, and compliance tools. The company's solutions are designed to improve security and control in B2B payments, cross-border settlements, and trade finance. This funding round highlights the increasing interest in integrating traditional finance with digital assets, as firms look to leverage stablecoins for enhanced liquidity and market operations.