An NFC business card is a physical card with an embedded NFC chip that opens your digital business card/profile when tapped on a compatible smartphone.
In most cases, the person receiving your info doesn’t need an app—the link opens directly in the phone’s browser.
You can share contact details plus links like your website, portfolio, and social profiles, depending on how your digital profile is set up.
Yes—your details can be updated on your digital profile without reprinting a new card.
NFC is short-range, which reduces accidental reads, and overall it’s generally considered secure, but it’s still best practice to only share links/data you’re comfortable making accessible.