CodePudding user response:
Block chain data nodes, is a piece of a piece of the chain connect together, big data is collected a large amount of data, and then analyze their useful information in pairs, such as taobao, collecting a large number of users taobao search keywords, and then draw a conclusion which sells fashion now which one is not good to sell, block chain, for example, you and your wife know, then you are storing your wife's name, with your name, then your wife will store your name and your wife's name, your brain and your wife is the brain of blocks in the chain of nodes, you two holds, on your own, of course, there are a lot of people in real life, each other to store people's names, it's formed a relationship network, every man is a node