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.
You may be wondering what to make of cryptocurrency and whether it has a place in your portfolio. But if you’re not familiar with digital currencies or blockchain technology, even the basic concept can be overwhelming.

— Mary Elizabeth Gately is representing the king at a rate of $1,335 per hour, according to a copy of the contract submitted to the department that was dated Sept. 20 and signed on Sept. 29, days before the consortium published a series of reports on Sunday. The king was just one of hundreds of global elites whose financial secrets were included in the Pandora Papers, the consortium’s latest trove of documents, though his attorneys denied to the ICIJ that he had done anything improper by purchasing the homes through offshore companies.
There are thousands of different cryptocurrencies available today. The most popular — and the original — is Bitcoin, which was created in 2009. Other common cryptocurrencies include Ethereum, XRP, and Bitcoin Cash. Each of these currencies serves a different purpose, with some optimized for use in place of cash, and others designed for private, direct transactions.