Glossary

NFC checkpoint

An NFC checkpoint is a small tag fixed at a location that a phone reads by touching or tapping it. The tag identifies the spot, so a scan proves the person was physically there at that moment.

Last updated 2026-11-10

01 / Explained

Why it matters

NFC tags are cheap, need no battery and survive weather and handling. Because most phones can read them, a site does not need dedicated scanners.

A checkpoint is only as trustworthy as the record around it. Pairing the scan with a timestamp and a location reading makes it hard to fake.

02 / In InstaNotified

How InstaNotified handles it

Any standard NFC tag works, with no proprietary equipment and no per-tag fees. Each scan is verified with GPS coordinates and a timestamp.

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