What is Bitcoin?

First layer, Bitcoin is a scam;
The second layer, Bitcoin is a revolution;
The third layer, web3, blockchain and token economy change the world;
On the fourth level, the cryptocurrency industry has a long way to go, and there are many traps, but it should be done and cherished;
The fifth layer, Bitcoin and cryptocurrency are alternative investment products, and you will lose if you believe in it;
Sixth layer, Bitcoin is a revolutionary innovation!
The seventh layer, Bitcoin is a gambling chip! ! !