Why invest in Bitcoin?

Cryptocurrencies are not ideal even as a concept. The password to the bitcoin wallet can not be restored, there are problems with equipment, hacker attacks, difficulties with regulators. All this adds to the headache. Mining has become increasingly complex, sooner or later every currency rests on the ceiling and plummeted in price.
It is literally money out of thin air. Bitcoin (Bitcoin: BITCOIN) is only to a small extent supported by consumption, the rest of cryptocurrencies are "tied" to bitcoin. The money not backed up is unreliable.
Traditional currency is also not backed up physically: the United States abandoned the gold-exchange standard in 1971. The power of the dollar is how many people believe it. This applies to any tradable currency in the world. But there are volumes of consumption and government reserves, the country's financial policy, the ratio of exports and imports and all this strengthens money much more reliable than popularity on the Internet.