Blockchain can bring order and solve a lot of problems. But only when it becomes full proof. Crypto currencies (like bitcoin) or tokens or coins are just the value of a share of that company that claim to be run on blockchain. They are highly volatile and that makes them a risky investment. Why should I spent or buy a bitcoin or any other token today if I am not sure what it's value will be tomorrow. Most tokens today will be absolate tomorrow. And many are just scams. Bitcoin is so old a software that it has no value other than pairing and minting money on crypto exchanges. Miners and investors in this field never like to hear anything against it, they defend and promote it aggressively. Inter community war among different token holders is also fierce. Any opinion against is down vote or suppressed or aggressively counters by giving flawed logic. Their money is at stake. They entered in this quite early so are at advantage and want to maintain it. New investor caught in this propaganda and falls for it has limited options. He can wait the money to flow in so his value of investment increases. This makes this whole buisness just like a Ponzi scheme. But chances of this failing are more as the coin you hold may become useless next day or even hour! because a major flaw was found in its software or a exchange was hacked or even the developers ran away(literally). So the one tech savvy guy who is glued to computer screen all the time know about it earliest,exits and saves his money but others are slaughtered. Most crypto exchanges are not under any government and so no law apply to them. Governments and banks are viewed as enemies in this crypto world. But they also bring order. Do decentralised system bring order? You don't want anonymous computer programmers, hackers, criminals, drug dealers, whales or terrorists to run the world for you. Or You?

Most crypto currencies are not decentralised, they are controlled by few individuals with no credentials other than they are computer programmers. Their sole aim is to somehow gobble money. Some crypto currencies are not even on blockchain. Some claim their coin is anonymous. But why you want to be anonymous? Most Governments are not able to understand this and thugs are having a free run. So to say bitcoins and other similar coins will solve problems is not even a valid statement. This actually is a problem right now as it's leading to lot of mining and environmental degradation. Unnecessary fees for transferring. Time consuming and limited number of transfers. Though NANO is also not decentralised yet and not full proof but it appears to heading in right direction.