Refer to Kerckhoffs' principle of cryptography.
quotingHere we have one of the influencers who has never worked professionally in IT, one of those who recommended Scamourai's flawed solution and a crappy wallet like Coldcard, talking nonsense once again.
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That "vulnerability" of the Trezor One or T was actually its greatest strength. It forced you to use a passphrase or Secure SD in the case of the Trezor T, meaning all the security relied on the algorithm and the strength of the password, which is exactly how it should be in a perfect cryptographic system, rather than on black-box solutions like Secure Elements.
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