There's a new hottest cryptocurrency of 2018 so far: stellar

In the last few days, stellar rose into the ranks of the 10 largest digital currencies and was eighth largest on Tuesday.
Bitcoin, the largest cryptocurrency by market cap at $232 billion, has lost its upward momentum over the last two weeks.
Digital currency ethereum soars 17.5 percent Tuesday to an all-time high, while litecoin rallies 14 percent.