I debated posting this. DIY Bitcoin security has become weirdly emotional.
A Raspberry Pi or ESP32 can be useful, but they are still general-purpose computers, not key vaults.
Offline is a condition...
A blunderbuss is technically not a self-defense weapon, but if you are short on materials and don't have the means to get a better defense, something is better than nothing.
DIY is no different.
DIY is no different.
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