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They are cheap enough to be ubiquitous (cheap ones can be had for $5 or so) and are already built into most phones, usually behind biometric verification (face

They are cheap enough to be ubiquitous (cheap ones can be had for $5 or so) and are already built into most phones, usually behind biometric verification (face or fingerprint recognition). Note the biometric only unlocks the FIDO2 private key in the phone’s TPM so biometric data never leaves the device. Edit: just checked, a hyperfido mini sells for $9.99 CAD, so not quite five bucks but still pretty affordable.

xaduha 5y ago
> are already built into most phones I don't know know about most unless you mean that most iPhones have it, but I wasn't aware it was built into mine, using Android 10. Just didn't put two and two together. My old smartphone on Android 9 didn't have it, I'm pretty sure.