Coinbax, a stablecoin payment infrastructure platform built on Base and Solana, has successfully closed a $4.2 million seed funding round. The round was led by BankTech Ventures, with additional investments from Connecticut Innovations, Paxos, and SpringTime Ventures. The funding will be used to expand Coinbax's custody, policy enforcement, and programmable settlement features, with support from KuCoin. The investment will also facilitate the integration of Coinbax with custody and wallet infrastructure providers, aiming to enhance advanced trading features for digital assets. This development marks a significant step in Coinbax's mission to strengthen its platform and broaden its service offerings in the digital asset space.