To trade in ALT coins one needs to make a thorough research about that particular cryptocurrency or currencies. Today all the information is available on the internet and many cryptocurrencies have dedicated websites for people to get information about their coin and the projects they have. Go through their white paper and check all the related information about their blockchain. Even if you are just planning to trade, getting all the related information is important because you would want to put your money on a coin or coins that make you good money.