NFC + QR
Your card
Your physical card stays put. The QR rotates every 90 seconds and is HMAC-signed to your user.
NFC card
Dynamic ID
Active…
ONETAP
Marcus Chen
…
The NFC chip carries only the resolver URL above — no PII, no token. Tokens are added by the QR screen and rotated server-side. Lost? Deactivate; your URL stays the same on the replacement card.
Rotating QR token
Rotates in90s
Tokenwindow #—
—HMAC-SHA256 signed · 90s window · grace period 1 window
Tap totals
Total taps
0
Last tap
never
Cards
0
Connections
0
My cards
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Claim a new card
Paste the claim link printed on your card carrier, or enter the card ID and token. Each card can be claimed once.
Accepts /tap/<id>?claim=<token> or /claim/<id>?token=<token>
Recent interactions
No interactions logged yet. Tap your card at an event to populate this feed.