It might sound dumb but is it safe to place NFC SIM card in your iPhone 7?

It might sound dumb but is it safe to place NFC SIM card in your iPhone 7? - 1

No it's not!

Yes

NFC-SIMs are used if you need to use your phone for mobile payments. It's a financial feature.

It's secure - it's tamper-proof and protected by a unique digital signature.