Xentag

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XenTag provides cryptographic item-level authentication for physical products, enabling brands to make instant, verifiable decisions at moments of uncertainty—return processing, resale verification, distributor handoffs, and grey-market control. Unlike QR codes or basic NFC tags that can be photographed and copied, XenTag uses encrypted NFC with one-time authentication protocols and blockchain certificate storage, creating unclonable digital identities for pharmaceutical, cosmetics, wine & spirits, and luxury products. Our platform integrates with existing packaging workflows and supply chain infrastructure, eliminating counterfeiting, return fraud, and grey-market diversion while enabling regulatory compliance (Digital Product Passport, serialization). XenTag replaces "probably counterfeit, but we can't prove it" with cryptographic certainty.