"Passport combines randomness generated by separate hardware components before creating a wallet.

The firmware is also published as free and open-source software with reproducible builds, so independent researchers can verify that the software running on the device matches the published code"

See Cointelegraph newest article on Coldcard entropy flaw.

https://cointelegraph.com/magazine/does-the-coldcard-attack-mean-all-hardware-wallets-are-now-insecure