Another paid shill detected

No currency today is backed up by anything but something no less virtual or ephemeral, for example, government power and might (which people often bring as an example). Given how many weak and corrupt governments are out there, Bitcoin shines against them. Ultimately, any currency at large (even hard asset currencies like those under gold standard) are backed up by nothing but trust. In case of hard currencies, it will be the trust in the underlying asset (say, gold) that it won't devalue overnight. Whether it can or not is another question, though, but it still comes down to trust in the end