Gold is relatively stable and has physical backing. BTC does not.
Up to 4% of China's gold reserves could be fake. Gold fraud article: https://economictimes.indiatimes.com/news/international/worl...
Bitcoin is open source and completely auditable in an instant.
As the price of gold goes up, the quantity supplied goes up. Bitcoin's issuance protocol is fixed and unchangeable unless the network agrees.
The cost of securing or transporting $1b of gold bars is magnitudes higher than the cost of securing $1b of Bitcoin.
In all seriousness, securing the value of Bitcoin is the problem that is not easily solved.
Securing external value to people is not a goal or responsibility of Bitcoin. That's simply a consequence to how we as humans choose to use scarce assets.
Fair enough, but then your comparison to physical gold is meaningless. Physical gold is generally used to store value, not to transfer it.
For that purpose, you have paper money (or paper gold such as futures) which is cheap to transfer.
Bitcoin is about 12 years old.
Tell someone from the past to imagine having godlike computing power in your pocket, and they'd say "why would anyone want that?"
Computers that are decades old, which were "disruptive technology" at the time, are scrapped today - for their gold.
A replacement for gold is one.