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When you buy cryptocurrency on an exchange, the exchange holds the "keys" to your money. If the platform gets hacked or goes out of business, your funds could disappear A cold wallet is a device that keeps your crypto offline, far away from internet hackers. Think of it like
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AI visual note: Black and white promotional poster for Tangem Ring, a crypto wallet, with text reading "Experience the Future of Crypto Wallets" and "Simply tap the ring on your phone to access your wallet."