Recent disclosures and court cases have highlighted the issue of bottle counterfeiting in the wine market. To respond, a number of companies have developed schemes of various types to help consumers and resellers authenticate bottles and assure them that they’re not buying counterfeits. The systems include seals that are destroyed when the bottle is opened; holograms; unique QR codes, some with hidden security features, inks and other materials that can be coded; etched dot patterns on bo...