[45h34jh53k4j]

A world where an offline, encrypted data file offers exactly the same security level as an offline, encrypted memory cell.

You invoke side channels -- what about these side channels: https://jochen-hoenicke.de/trezor-power-analysis/

[hackerboos]

"The new firmware 1.3.3 is immune against this attack since it (1) requires a PIN to compute the public key and (2) uses branch-free computations for deriving the public key from the private key."