If he converts everything into dollars and dollars are being devalued, he loses. Is he saying that dollars are the only solid currency in the world, and everybody should convert all their assets into dollars as fast as possible?
If he converts everything into dollars and dollars are being devalued, he loses. Is he saying that dollars are the only solid currency in the world, and everybody should convert all their assets into dollars as fast as possible?
Apparently not. Try spending dollars in a store (both in the U.S. and many places besides) and see if it works.
They are only worth something because people accept them as payment.
Including the U.S. government as payment for debt. If the most powerful government in the world says dollars have value, it's not so easy to lose all of that value, even without it being a backed currency.
Is he saying that dollars are the only solid currency in the world, and everybody should convert all their assets into dollars as fast as possible?
Most of the world uses non-backed fiat currency now, not just the U.S. People do convert their assets into and out of dollars (and other currencies) all the time.
So what exactly can I get from the US government in exchange for dollars? (I am not a US citizen).
However, to answer your question directly you can get interest from the US government in exchange for dollars by buying US Treasury bonds.
Some of those people are the IRS, who will throw you in prison if you don't turn over a sufficient quantity of said paper. That guarantees a minimum level of demand for dollars.
There was a case some years ago in Germany where something similar happened. A local initiative introduced a local fiat currency, and initially people did not pay taxes on sales etc. in that currency. At some point, this got the government's attention, and soon after that, the tax advantage was gone. People had to pay their taxes in Euros.
Something similar will happen to BitCoin if it takes off. It may be somewhat harder to enforce for the government, but then again, paper cash transactions are anonymous, too. You still pay sales tax when you purchase something with paper money. There is no truly fundamental difference here to how BitCoin works.