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© 2026 SealTrust

SealTrust

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

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EN 18219 · EN 18220 · ESPR-ready · GDPR

© 2026 SealTrust. All rights reserved.

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Luxury & fashion

Watches & Jewelry

An unforgeable identity for every timepiece and precious object, from the workshop to the second-hand market.

QR + NFCDPP
Watches & Jewelry

The challenge

Fine watches and high jewelry are among the most counterfeited goods, with sophisticated replicas and falsified certificates undermining buyer confidence. Paper warranty cards and grading reports are easily forged, swapped, or lost, while a fast-growing resale market exposes brands to grey-market diversion and provenance disputes. Buyers expect documented authenticity, full ownership history, and proof of ethical material sourcing before they commit.

The SealTrust answer

SealTrust binds each piece to a tamper-evident cryptographic identity, anchored on-chain so authenticity and provenance can be verified instantly by anyone, anywhere. Ownership transfers, service interventions, and resale events are recorded across the product lifecycle, giving every subsequent owner a continuous, trusted history. A linked Digital Product Passport carries material origin, hallmarks, and certification under the brand's control.

What you get

1

Instant, certificate-free authentication for buyers, boutiques, and resale platforms

2

Secure ownership transfer and a verifiable service and resale history that protects residual value

3

Provable origin of gold, diamonds, and gemstones to counter grey-market and provenance fraud

QR or NFC for this vertical

Recommended method: QR + NFC

NFC is recommended: a cryptographic NTAG chip enables tap-to-verify authentication and tamper-evidence suited to high-value, long-lived pieces, with a QR fallback for catalog and resale listings.

Where it goes on the product

Embedded in the clasp, case back, or buckle for watches, and in the jewelry box or a discreet tag for rings, necklaces, and bracelets.

The Digital Product Passport for this vertical

A Digital Product Passport documents precious-material origin, hallmarks, repairs, and chain of ownership, supporting responsible-sourcing expectations and the EU ESPR framework for durable, high-value goods.

Understand the Digital Product Passport→

Frequently asked questions

QR code or NFC for watches & jewelry?

NFC is recommended: a cryptographic NTAG chip enables tap-to-verify authentication and tamper-evidence suited to high-value, long-lived pieces, with a QR fallback for catalog and resale listings. Embedded in the clasp, case back, or buckle for watches, and in the jewelry box or a discreet tag for rings, necklaces, and bracelets.

Does the Digital Product Passport concern this category?

A Digital Product Passport documents precious-material origin, hallmarks, repairs, and chain of ownership, supporting responsible-sourcing expectations and the EU ESPR framework for durable, high-value goods.

How does SealTrust prove authenticity in this vertical?

SealTrust binds each piece to a tamper-evident cryptographic identity, anchored on-chain so authenticity and provenance can be verified instantly by anyone, anywhere. Ownership transfers, service interventions, and resale events are recorded across the product lifecycle, giving every subsequent owner a continuous, trusted history. A linked Digital Product Passport carries material origin, hallmarks, and certification under the brand's control.

  • See this vertical among all use cases→
  • Understand the Digital Product Passport→

From the blog

  • Blockchain Authentication for Luxury: What Actually Works (and What Doesn't)
  • Super Fakes: When Counterfeits Become Invisible to the Naked Eye
  • Merkle Anchoring: One Hash, Thousands of Products, Ethereum L2

Other solutions

Leather Goods & AccessoriesSneakers & streetwearReady-to-Wear & Couture

See the platform on your own products, or start with a five-minute self-assessment.

Request a demo→Take the DPP readiness assessment