Would anyone be interested in building a decentralised courier?
Bitcoin seemed like an effort to remove power from the central banks, and other cryptocurrencies are working on solving problems with voting/supply chains/other stuff which the government makes complicated that could be made really simple, so why not replace USPS/China Post/other giant government monopolies that run the courier/delivery industry. I mean, USPS is losing billions every year delivering packages, and goodness only knows how much data companies like Amazon/UPS/DHL are collecting on people's identities, addresses, purchasing history etc.
I live in London, I can order a product that's 10 miles from where I live and it still takes at least a day for it to arrive at my doorstep, when I could just pay somebody to drive over there, pick it up and bring it to me in under an hour.
That would probably mean anyone with vehicle, bike, bicycle, boat, horse etc can be able to participate in the courier service like Uber does with taxi or something... No need for Proof of Stake like mechanism. The transporters would just need to download Courier App (again like uber app) to participate. Once you buy something in another state you check the App to see who is coming to your state and link the goods to him/her to transport immediately. This should make the cost of transporting cheap, but if you don't find anyone coming to your state, you can hire anyone from the app.
That's exactly what I'm thinking. My only concern with building a centralised app would be regulation attempting to shut it down.
It would be better to build a website hosted on the ipfs/some other decentralised file storage system.