Considering the fact that, probably 10 years down the road, tens of TRILLIONS of dollars worth of commerce will all be done on the blockchain, that means that these things valued in the trillions is not unrealistic. There will be some mega chains and others that are smaller.
Either way, I foresee almost everything ending up on the blockchain.
Actually, this is going to be the case in something like 3-5 years. LAToken.com project is paving the way to tokenizing ANYTHING AND EVERYTHING of high value. It opens the doors for Trillions and Trillions instantly.....and it's already live. They get traction, or a similar project.....and the world is an entirely different place.
You KEEP your asset while it's tokenized and traded on the market, or held until the agreed upon contract settles and it has accrued interest.....I know I know, it's hard to wrap your head around that. Our NICE wedding ring is going up as soon as they launch all networks. Liquid value, and the ring never leaves the finger.