With the development of the blockchain, countless cryptocurrencies are issued every year. For example, the hottest token in 2017 still exists and remains popular this year. It can be promoted to more cryptocurrency users during its existence. It is very friendly to the development of tokens. Holding old cryptocurrencies can still bring you higher returns. Just like btc and eth, the tokens will not lose competitiveness due to the passage of time, but their status will be deeply rooted!