Lightspark has announced a partnership with Visa to launch Visa debit cards supported by stablecoins and Bitcoin across more than 100 countries via the Lightspark Grid platform. Financial institutions, fintech companies, and enterprises will be able to offer Visa cards to customers, which can be funded with stablecoins, Bitcoin, and fiat currencies such as USD and EUR. Supported stablecoins include USDC on Solana, Base, and Spark, while Bitcoin payments can be processed through Spark or Lightning networks.