Instead of 2 step verification process use quantum key distribution (QKD)
QKD is almost invulnerable to hacking Check out
Alexander S. Gillis, Technical Writer and Editor
quantum key distribution (QKD)
https://www.techtarget.com/searchsecurity/definition/quantum-key-distribution-QKD#:~:text=Quantum%20key%20distribution%20(QKD)%20is,is%20provable%20and%20guarantees%20security.
All-in-one quantum key distribution system makes its debut
02 Nov 2021
https://physicsworld.com/a/all-in-one-quantum-key-distribution-system-makes-its-debut/
Demystify Quantum Key Distribution
https://www.youtube.com/watch?v=7tHpEFT1v8E
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