Yo! zeal🐱
@cryptozeal
🔐 Day 1----Crypto "The Secret Backdoor in Your Hardware Wallet" 🕵️ Shocking Fact: Some Ledger/Trezor firmware can be silently updated without user consent. 💀 Risk:Supply-chain attacks could compromise air-gapped devices. ✅ Solution: Use open-source wallets (Coldcard, Seedsigner) + manual verify checksums.
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