"Mt. Gox has been obviously broken and possibly outright crooked for months, as seen in trading spreads," Marc Andreessen tells CNBC amid the disappearance of the website. "This is like MF Global: Not some huge breakdown of the underlying technology or other exchanges. Bitcoin (BITCN, TUCND) protocol is unchanged and other bitcoin exchanges and companies are doing fine."
The price of Bitcoin is off the lows, but remains down big at $491.