Buy Bitcoin and Ethereum. These currencies have confidently taken their position in the market. They seem to have already passed. They have strengthened and very soon the value of these cryptocurrencies is expected to increase.
I have no doubt on btc and eth that we can make profit in time once price increase. Both are profitable and also many who holds this coins for long time now. So I am also one of those who hold btc and eth and these are good to buy.