8.4% of luxury resale goods are counterfeit, with 'superfakes' now using identical supplier materials, draining $50B/year from brands

As the secondhand luxury market grows 2-3x faster than the primary market, authentication has become a critical vulnerability. Entrupy's 2024 State of the Fake Report found that 8.4% of resale goods scanned (from a sample worth $1.9 billion in resale value) were counterfeit or unidentifiable. Louis Vuitton led the counterfeit rate, with 33% of scanned Louis Vuitton handbags flagged as unidentified. The broader counterfeit fashion market drains $1.82 trillion from the global economy. Why it matters: a new class of 'superfakes' are reportedly manufactured using materials from the same leather suppliers as authentic brands, making them visually and tactilely indistinguishable to human authenticators, so resale platforms like The RealReal, Vestiaire Collective, and Rebag must invest heavily in AI and microscopic authentication technology to maintain buyer trust, so authentication costs are passed through to sellers as higher commission rates (25-50% on some platforms), so the economics of legitimate resale become less attractive to individual sellers, so the growth of circular fashion -- which the industry needs to meet sustainability targets -- is throttled by the counterfeit problem. The structural root cause is that luxury brands have historically relied on brand mystique rather than embedded anti-counterfeiting technology (NFC chips, blockchain provenance records) in their products, and the same global manufacturing infrastructure that produces authentic goods can be repurposed for counterfeits because there is no tamper-proof chain-of-custody from raw material to retail.