In cryptomarket, watch out for scams, There are few different scams in cryptoworld, Anything that is not buying a coin with a good reputation is a big risk, Just learn more about scams. In short be super careful about anything that promises free coins, sick returns or wants you to lend your coins. Buy the top coins using a careful strategy and ignore all the sites promising you they can outperform the market if only you give them x,y, and z.