Cryptocurrencies’ supply and value are controlled by the activities of their users and highly complex protocols built into their governing codes, not the conscious decisions of central banks or other regulatory authorities.
RENO, Nev. (AP) — A former school teacher has sued the CEO of a major cryptocurrency company that wants to build a smart city in the Nevada desert, accusing him and his wife of sexually harassing her and creating a hostile workplace at their Lake Tahoe home where she worked as a nanny, tutor and assistant...

It should be noted that crypto prices also started rising more quickly when Donald Trump lost the presidential election, so we should probably have a think about the notion that Trump might actually be Satoshi, and that now with more free time on his hands he is focusing on pumping the market. After all it is highly likely that he is a Japanese-trained quantum physicist (do make sure you get to 2:09 in this for proof of his knowledge of thermodynamics, and to 2:45 for evidence of his reading Japanese):
China is one market to impose strict regulation that impacted prices. In February 2018, the country blocked its citizens from accessing websites that offer cryptocurrency trading services, prompting a 15% fall in Bitcoin and 20% plunge for Ether. Similarly, in January 2018, Bitcoin’s price was hit by new South Korean legislation requiring traders to reveal their identity.