NFC and QR Codes

Learn when NFC cards can be rewritten, why some cards are locked, and the best setup for editable NFC business cards.

Learn what kinds of NFC cards can be copied to a phone, what usually cannot, and how NFC business-card links work.

Learn how to write a URL to an NFC tag with an iPhone, what iPhone NFC can and cannot do, and how to use NFC for business cards.

Learn how to write an NFC tag with Android, what to put on the tag, and how to use NFC tags for digital business cards.

Learn when NFC cards are legal, what makes them acceptable, and why access cards, payment cards, and credentials need extra caution.

Learn how PayPal pay at pump works, why PayPal QR support varies by gas station, and what to check before you rely on it.

Learn practical ways to tell whether a card is RFID or NFC, how phone scanning works, and why business cards usually use NFC.

Learn where to find your Instagram QR code or profile card, how to share it, how to scan someone else's code, and when to use a broader profile link.

Learn how to get your Google review link or QR code from Business Profile, test it, place it, and ask for reviews without policy mistakes.

Learn how Coinbase QR codes work, how to scan one before sending crypto, how to show your receive QR code, and what to verify first.

See how paper cards, QR codes, NFC taps, and live profiles changed business networking and what to use now.

Use NFC tag business cards at corporate events with the right setup, QR backup, team profiles, and follow up workflow.