But no true cryptocurrency emerged until the late 2000s when Bitcoin came onto the scene.
Subscriber growth is harder to track than the other metrics. Only the current subscriber count is displayed for a particular subreddit, and historical data cannot be rebuilt retrospectively as subscribers do not have a visible historical imprint. A third-party website, RedditMetrics (http://redditmetrics.com/), has been retrieving and storing real-time subscriber counts; however their data on the particular subreddits of interest only reaches back to 2012 so the subscriber growth analysis can only start at this point. Fig 2 shows the three social media metric time series for each cryptocurrency; note that subscriber growth is the only metric that can have negative associated values, caused by more users unsubscribing than subscribing on a particular day.

More broadly, the U.S. has been slow to issue regulatory guidance for cryptocurrency businesses. The industry has generally appreciated regulators' care and caution to avoid hampering innovation or overregulating something so misunderstood, but the lack of clarity has also become restrictive for many looking to operate, develop, and grow their products and services. But Zhao appears to be undaunted by that.
Ethereum Classic is a cryptocurrency that has legitimate functions. With decentralised applications on the Ethereum Classic network, one can use bridges to move cryptos to other chains, spend cryptos in real-world instances and authenticate transactions with ease and efficiency.