The hidden risk of updatable firmware

Date: 2025-04-24

Opinion by: Igor Zemtsov, chief technology officer at TBCCCrypto security is a ticking time bomb. Updatable firmware might just be the match that lights the fuse.Hardware wallets have become the holy grail of self-custody, the ultimate safeguard against hackers, scammers and even government overreach. There’s an inconvenient truth, however, that most people ignore: Firmware updates aren’t just security patches. They’re potential backdoors, waiting for someone — whether a hacker, a rogue developer or a shady third party — to kick them wide open.Every time a hardware wallet manufacturer pushes an update, users are forced to make a choice. Hit that update button and hope for the best, or refuse to update and risk using outdated software with u...

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