Counterfeit risk, anti-fake measures for OtterBox / Spigen / Anker products?

Phone accessories have one of the worst counterfeit rates in DTC, Alibaba ships ~$2B/yr of fake OtterBox / Spigen / Anker / Apple-MFi knock-offs. If you’re an Authorised Reseller, customers blame you when their “Anker” cable melts.

Anti-fake measures I’ve shipped on Magento:

• Serial-number registration, each genuine unit ships with a scratch-off serial. Customer registers it on a Magento custom page (or a Hyvä mini-app); the system validates against the manufacturer’s authorized-serial list (Anker, Mophie, ZAGG all expose APIs for this). Activates warranty.
• NFC tag verification, high-end accessories (MagSafe wallets, premium cases) embed a passive NFC tag. Customer taps phone, lands on a Magento URL that confirms genuine + shows warranty terms. ~$0.15 per unit cost.
• Holographic seals, sourced from the manufacturer; you display them in unboxing video on PDP so customers know what to look for.
• Authorised Reseller badge, on category pages + footer + checkout. Link to the manufacturer’s “find an authorised reseller” page where your domain is listed. Trust signal.
• Brand Registry takedowns, if you own the brand (custom-design accessory house), enroll in Amazon Brand Registry, Walmart IP Protection, Apple MFi enforcement program. Takes down ~80% of counterfeit listings within 30 days.

What doesn’t work: just saying “100% authentic” on the listing. Every counterfeiter says that. The serial-number registration + visible warranty are the differentiators.