Both the above crypto coins are good but I normally prefer bitcoin to invest since it is the first crypto currency in the market and still in the bear market also it retains the standard price of 6K USD . Bitcoins market capital and its daily traded volumes are very high comparing to the other currencies including ethereum. Bitcoins features are very attractive to the global investors and it has a strong net work systems linked with the modern technology..According to the present market trend bitcoin is the King in the market