“The Bitcoin bubble will burst. It’s time for a ‘Bitpound'” – Telegraph | $8,196.15

The constant fluctuations also mean Bitcoin cannot be used to price goods. And it is worthless as a medium of exchange as hardly anyone accepts it and even when they do, it costs up to $12 per transaction and can take hours to clear. …

So, hype aside, Bitcoins are lottery tickets. They have no underlying utility. When the music stops, those left holding them will be burned.