Avian Labs, maker of the Solana-based Sling Money payments app, announced FCA approval to operate as a crypto service provider in the U.K. The platform allows global fund transfers with instant local currency withdrawals in 80 countries and is currently in closed testing domestically. Sling leverages stablecoins to provide fast transactions, complementing Avian Labs’ existing Dutch MiCA license and U.S. Money Services Business registration.