>Is it OK if the thing is imaginary, but everyone just pretends it has value? Yes it's okay. When people pretend something imaginary has a value then it has a

>Is it OK if the thing is imaginary, but everyone just pretends it has value? Yes it's okay. When people pretend something imaginary has a value then it has a value. That's how money, bonds, deeds, loans, contracts, equity, etc work.