Digital certificates of authenticity

Can blockchain be used to improve traceability and establish digital trust chains?

So you are walking down the street and suddenly Del Boy pops up offering to sell you a Rolex.

Del Boy Trotter and his watch collection, meme by M.C

One of a kind he says! One of a kind limited edition. Signed by Roger Federer himself. You see, it was gifted to Roger Federer by Rolex (the…