One can carry an extraordinary amount of AU without attracting notice - that’s part of why it’s been used as money for centuries. Cash weighs more at this point, I’d wager.
Really? How?
Governments can also pull legal switcheroos with fiat currency, and leave you destitute over night. They can lop off zeros, or give you one week to turn in all cash for "New Dollars," after which your old greenbacks will only have souvenier value, like Confederate dollars.
They have no ability to do this with your gold, which is why they hate it. Gold gives the power to those who possess it, not the govt.
Only God can create even one ounce of gold.
Years ago a friend told me about her mother who had escaped some totalitarian country and did it by sewing diamonds into her skirt hem...