Your "mind's eye" is getting information from your actual eyes through your optic nerves and cortex. This is how we know it is a physical mechanism, we can affect it in predictable ways with lesions, drugs and other physical methods.
903 karma · joined February 1, 2022
So yes, USD, Tether and my poker chips at home do share a fundamental characteristic of any method of exchange, a subjective belief about their worth that is ultimately decided by collective agreement. That does not mean they are anywhere close to the same thing, or scams.