Until it isn't and it's replaced by a new one. Less than 20 years ago Euros didn't exist. It's entirely possible that in 20 years time they won't exist either...
You've played your hand by saying you look at your stock holdings in fiat. What happens if fiat fails you? i.e. if hyperinflation kicks in or the powers that be decide to restrict access to your fiat? I realise it sounds tinfoil hat-esque but if investing to safeguard your future, these are possible doomsday scenarios... (just ask people of Venezuela)
> In the short term you're basically betting on cryptocurrencies gaining adoption and thus more of the economy needing them. In the long term it's just a currency not an investment.
A deflationary currency with a fixed supply... so it's an investment in the sense that (a) it's scarcity will naturally drive up the price if demand increases (b) it will hold value better than fiat, given that the supply of fiat is, well, unlimited.
