Blockchain is extremely useful for one thing only (and, like Unix philosophy, it does it particularly well): scamming. If you want to learn about examples, rea

Blockchain is extremely useful for one thing only (and, like Unix philosophy, it does it particularly well): scamming. If you want to learn about examples, read throughout the comments. I've read about half the comments and, to no surprise, not much of substance. Distributed DB ("private Blockchain") has its uses, but it isn't publicly owned like a traditional Blockchain.