Many panic when software signing or vendor servers fail, but true self-custody resilience goes deeper than the hardware device itself. Your physical wallet might remain impenetrable, yet a compromised companion app or leaked shipping database can still expose you to targeted phishing. Security isn't just about cold storage; it is about operational hygiene across your entire digital footprint. Always verify transaction data on the physical screen and isolate your communications. #SelfCustody #CryptoSecurity #HardwareWallet