A long time ago, when I was telling others about Bitcoin , I talked about it for an hour, and then they came over, what's the use of Bitcoin? embarrassment! Including Bitcoin, all kinds of coins have been useless. Almost all people who buy coins expect to sell them at a higher price one day. The only logic for price increases is Ponzi, more people and more people. More money to pick up the plate. Although I would talk a lot about Bitcoin's payment function, store of value, unfrozen ...