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.
Mistakes like this happen throughout finance when, for instance, traders mess up details of their intended trades, entering the wrong price or order size. An erroneously large trade, as one example, can overwhelm an exchange's order book, leading to a quick and massive decline. The entire U.S. stock market famously flash crashed back in May 2010, though equities have mostly avoided trouble since that era.

The risks of loss from investing in CFDs can be substantial and the value of your investments may fluctuate. CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. You should consider whether you understand how this product works, and whether you can afford to take the high risk of losing your money.
The NYDFS is known for being especially rigorous in its approach to cryptocurrency businesses compared to other state regulators, requiring an exacting review of capital requirements and policies regarding money laundering, fraud, capitalization, consumer protection, and cybersecurity. It's an unpopular approach among many in the crypto industry, some of whom have even opted to pull business out of New York rather than bear the high cost of compliance.