Explained: Bitcoin and its dramatic plunge in value today

Regardless of your views of the Bitcoin currency, it's become large enough and in enough market flux at the moment that we need to pay it mind. Today news is out that a major Bitcoin 'wallet' has shuttered. Also, market disruption caused the price of Bitcoin to fall�precipitously.

Just as the currency of a country falls in value in relation to other currencies when its banks begin to encounter...