How to avoid non-in-person "handshakes" and spoofing due to compromised URL data on NFC card

I am designing a system that allows users to purchase my NFC cards and sign up for an account on my online SaaS website.
The System
For the sake of explanation, assume the website is hosted at domain test.com.
Think of this system as a &qu… Continue reading How to avoid non-in-person "handshakes" and spoofing due to compromised URL data on NFC card