"For example, I'm much better served by Sandisk having a tamper-proof verification codes on their uSD cards that I can lookup on their official website and verify the card being genuine."
How so? Once you have the uSD card in hand, they have your money.
Easier to kick them off the platform or contact the police with stronger proof maybe. They also can't say they were fooled in turn because they could have verified on website.
How so? Once you have the uSD card in hand, they have your money.