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As far as I know, I can not buy small parts of real estate.Of course you can[1].
> Gold supply is not fixed and it’s hard to validate.
Gold supply is more difficult to shock than crypto supply.
> Companies can go bankrupt.
Yes they can, but that doesn't mean you lose your stake in them. Large, public companies go bankrupt very slowly anyway. You usually have years of warning.
> I can not transfer real estate, gold or stocks over the internet to someone else directly, without using a third party.
How many people self-host their wallet? Very, very few.
Also, you can absolutely buy stocks without an intermediary[2]. I don't see why you'd want to, though.
1. https://www.investopedia.com/top-reits-4582128
2. https://www.investor.gov/introduction-investing/investing-ba...