and a lot of gold is fake. diluted. you always need to carry an expensive device to verify. and a scale. most scales are rigged too. therefore can never verified by a normal person. always needs to be taken to a trusted "institute" to verify. all of those are owned by the central banks. they will register you and track you.

i did not even mention confiscations

30 times in history gold got confiscated

you cannot hire that many guards to protect your home when people know that you own gold

bitcoin cannot be confiscated and no one even knows that you own it and where you live, if you do it correctly