A gold bar has a weight, an oil barrel has a delivery location, and a sack of coffee has a physical owner. Bitcoin has none of those things. It is a set of rules and data maintained by a distributed network.Yet regulators and financial markets increasingly use a commodity framework to describe certain crypto assets. That raises a deceptively simple question: how can something that exists only in code be treated like a commodity?The answer is not that Bitcoin is secretly digital gold. It is that