The whole point of money is it abstracts value from what is valued. Barter is laden with whether you want the thing, what you perceive as its value, and it's du

The whole point of money is it abstracts value from what is valued. Barter is laden with whether you want the thing, what you perceive as its value, and it's durability & transportability. A crate of raw tuna is quite valuable, but very hard to barter with. Some may be surprised to find ammunition & guns make for excellent cash substitutes, having a wide range of value in compact, durable, and self-protective form.