Lightspark launches Cards Playground for stablecoin Visa card design and testing

Lightspark has introduced a new tool called Cards Playground, aimed at helping fintech companies and developers design and test Visa card projects backed by stablecoins. The platform offers a visual environment and is described as an important step in Lightspark’s broader effort to build a stablecoin issuance platform. The update was announced by Lightspark CEO David Marcus in a post on X. Marcus said the launch marks another step toward building stablecoin-supported Visa card programs. The item was cited by CoinGape. The announcement focuses on product development rather than rollout details. No launch timeline, partner list, or technical specifications were disclosed in the source material.