[Coinbax Completes $4.2 Million Seed Round Financing] Stablecoin payment infrastructure Coinbax, built on Base and Solana, has completed a $4.2 million seed round financing led by BankTech Ventures, with participation from Connecticut Innovations, Paxos, SpringTime Ventures, and others. The new funds will be used to develop digital asset custody, policy enforcement, and programmable settlement functions, as well as integrate with custody and wallet infrastructure providers.