Can you recommend any resources for noobs (laypersons)? What's state of the art and best practices? I've been curious about fraud, counterfeits, grey market, a

Can you recommend any resources for noobs (laypersons)? What's state of the art and best practices? I've been curious about fraud, counterfeits, grey market, and such for a while. Authenticity, in all domains, seems like a huge problem. And an opportunity. While I was working for a fashion retailer, I suggested we should emphasis our end-to-end chain of custody, so customers knew our Gucci handbags were legit. To contrast us with Amazon & eBay, for example.