1. Sell coins up and buy coins down.
2. Bitcoin and Altcoin are the relationship between tide and ebb.
- When Bitcoin goes up, Altcoin goes down, on the contrary to this, and when Altcoin goes up, Bitcoin goes down (It’s because Altcoin is traded in Bitcoin)
3. There are many coins that simply copied a coin getting sold well (this should be avoided).
4. There must be unique technology that only coin has.
5. There is a fraud coin that only invests and takes away. (Especially, ico selection should be done carefully.)
