It is true that many coins in circulation now have coins that do not have a real function, where this coin is created by the developer with the purpose of a particular project, but in the course of the project there are many obstacles that must be faced so that the developer left it, while the coin still circulating in the market without any further development, this coin must be avoided by cryptocurrency traders, because this coin does not have a clear direction where the developer who created it no longer exists, many of these coins have entered the exchange or crypto market, so many traders are trapped in this coin and buy it, so the trader is trapped in funds in junk coins, sometimes experienced exchanges, delete the coins in their exchange,