Investments in altcoins look more attractive because they can bring a little more profit than bitcoin.If the investment amount is small, then you can invest in an altcoin with a low capitalization and get a good profit if you are lucky.With bitcoin, even 100% of the profit is already hard to get.But if the amount is huge, it is better to invest in bitcoin, it will not fall by 90% in a day, as it happens with altcoins.