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$404 — The Forbidden Coin. It started with a QR code on a lamppost. No logo. No context. Just the words: "DONT SCAN." He scanned it anyway. You weren’t supposed to find this. You weren’t supposed to click. Now you’ve seen it. They’re putting it up in cities around the world. Stickers. Posters. Unknown origins. The more people scan... the more it grows. $404 — Error Coin. Meme Trap. Cultural Virus.