COINFINITY - is a smart, modular storage system for precious metal collectors. Inspired by Gridfinity, it features stackable containers designed for coins, slabs, and assay cards. Each stacker fits a specific coin size and includes space for a 25mm NFC tag, enabling collectors to tap and instantly view digital records of their collection. With magnetic stacking and NFC integration, Coinfinity bridges the physical and digital—bringing order, security, and intelligence to your gold and silver storage.