nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 has thoughts. 😅
For me personally, after talking to LOTS of bitcoiners who are deeply technical and very committed to open so...
the most secure way is to build a hw wallet by yourself by drawing schematics doing layout writing fw doing tons of debug then you can sleep like a baby. but life is too short. it's impossible for 99.99