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© 2026 SealTrust

SealTrust

Product authentication through NFC and blockchain. Protect your brand against counterfeiting.

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© 2026 SealTrust. All rights reserved.

Made with trust in France

Verify a product

Scan the NFC tag or use a verification link

Instructions

  • 1Enable NFC on your smartphone
  • 2Hold the back of your phone near the NFC tag
  • 3Keep contact for 2 seconds

Download the app to scan NFC tags

iOSAndroid

With the mobile app

Bring your phone close to the NFC tag for instant and complete verification, even without internet.

Open the app

With a verification link

If you received a verification link or scanned a QR code, verification will happen automatically on this page.

sealtrust.io/verify?e=...&c=...

Cryptographic security

  • Cryptographic NFC chip with military-grade encryption
  • Secure Dynamic Messaging (SDM) anti-cloning and anti-replay
  • Immutable blockchain certificate
  • Double cryptographic verification (CMAC + Hash)
Verify a SealTrust product