Blog Keycard

If you’ve ever opened a new hardware wallet and had that tiny moment of doubt - “Okay, but how do I know this thing wasn’t swapped, opened, or messed with?” - you’re not being dramatic. You’re thinking like someone who plans to keep crypto for years. That’s the supply-chain problem in one sentence: you don’t just need secure hardware - you need a way to confirm you received the right hardware. Keycard Shell’s verification page is built for that exact moment: before you move funds, before you b