Copperx has announced the launch of Kosh, a global digital bank designed for freelancers and small to medium-sized enterprises (SMEs), at the Solana Breakpoint conference on December 12, 2025. Built on the Solana blockchain, Kosh aims to streamline financial operations with features such as rapid U.S. account setup, instant global payments, and fee-free transactions. The platform allows users to share account details with clients and offers flexible repayment options using SOL as collateral, ensuring no delays or hidden fees.