The Invisible Shield: How Virtual Cards Are Transforming Modern Spending

In an era where our financial lives exist mostly in the cloud, physical wallets are starting to feel like relics of a bygone era. We tap our phones at grocery store registers, subscribe to half a dozen streaming services, and buy everything from groceries to gadgets online with a click. But convenience has a shadow: digital exposure. Every time we type our permanent 16-digit credit card number into a new website, we cross our fingers and hope that retailer’s database remains impenetrable.