The cryptocurrencies described here are marked by stable adoption, robust user activity, and relatively high market capitalization (greater than $10 million, in most cases, although valuations are of course subject to change):
Meanwhile, there has been plenty of speculation that bitcoin’s big rise may have been due to a pump-and-dump scheme. One theory that the U.S. Justice Department is reportedly looking into is that the digital coin Tether (which is supposedly pegged to the U.S. dollar to make for a less volatile cryptocurrency) was used to manipulate the bitcoin market and cause a large run-up in price. This theory stems from an academic paper, which cast Tether in a very damning light. And it also led many to believe that the initial bitcoin craze was manufactured and destined to bust.

The V2 upgrade is on schedule for launch, and the addition of new pairs to swap has increased the accessibility of the token for holders.
Bitcoin is a good indicator of the crypto market in general, because it’s the largest cryptocurrency by market cap and the rest of the market tends to follow its trends.