Hello everyone, welcome to the 30-day blockchain introduction, I am Mr. Mumu, many people have heard of the block, but if you ask what the blockchain can do, it is estimated that many people will be sad. We will make this clear from the syllogism of classical philosophy today. On January 1, 2008, the mysterious group "I'm in the Cryptocurrency Group" appeared in the invisible mail at first sight, with a possibly interesting form of system development: "New electronic currency completely ...