In a nutshell, blockchain should be used when clear value is obtained by doing so compared to non blockchain solutions, particularly through the immutability of data in blockchains.
Sadly we live in a world that is becoming increasingly swamped with fakes. These can come in two forms: fake news and manipulation of video images and the spoken word – which is a more recent but equally worrying phenomenon – as well as the more visible and an age-old problem of product counterfeiting, though the sophistication and quality of these latterly is rising.
We have all become accustomed to seeing fake products and maybe even have succumbed to buying one. The most visible types of products are bags, footwear, clothing, electrical equipment, watches etc.
So clearly today QR codes are still an intrinsic way of engaging with consumers digitally, economically and easily. However, one of the drawbacks of them has been the ubiquity of QR code readers, and free versions tended to come with annoying advertisements.
And please look in the mirror and say “I can do that, I can start a company” and this generation of female leaders are busy creating that pathway so look up.