In case your social community recommends a house owner to rent a house from, that's safer than both AirBnB or any blockchain imitation of it. It would show you cat food offerings that cat owners in your social neighborhood assume are recommendable. If your social neighborhood recommends a car driver, that's a greater selection than some shady Uber or any of its copycats. This is when one get together has more or higher information than the opposite in a market transaction. It needs to be the higher blockchain than the blockchain we know right this moment. When you take a look at Bitcoin today it is an absolute failure in those terms. They are coded with the phrases of settlement between a purchaser and a vendor. Blockchains are best thought of as databases. Blockchains are more and more common. Not essentially, if you consider blockchains only a special case of Merkle bushes, they solve a tiny downside house in distributed computing. Update 2018: A distributed liquid democracy voting system may truly work, though it wants to unravel the problem of guaranteeing the uniqueness of voters, which boils all the way down to having some trusted third-occasion authorities — one of the objectives the blockchain was supposed to realize.