Fixed supply enforced without a controlling party is the entire property. Everything that lacks it is a different asset wearing the same vocabulary.
This is not a claim about price, and it does not become false if the price falls. The performance claim lives in Block I position 4, with its own horizon and its own benchmark. Separating them is the point: Block Ø collapsed a value and a prediction into one superlative and had to be taken apart afterwards. This states the property. That one states the bet.
The property is narrow and it is the whole of it: a supply schedule nobody can change, and settlement nobody can reverse, with no entity holding the power to do either. Not scarcity — gold is scarce and its supply still responds to price. Not decentralisation as a slogan, which describes a diagram rather than a capability. The test is adversarial and it has one question: who could alter issuance or reverse settlement if sufficiently motivated, and what would stop them? An answer naming any person, foundation, company or validator set is an answer that the property is absent.
Almost everything sold in the same vocabulary fails that question on inspection, and usually fails it in the documentation rather than in some hidden place. A foundation that can ship a change. A validator set small enough to be subpoenaed. A supply schedule revised by governance vote. None of that is fraud and none of it has to be — it is a different product, with different properties, using borrowed words. The borrowing is the part worth noticing, because the words are doing the work the properties are not.
Which is also the limit of the claim, stated plainly because it is the half most often dropped. The property being unique does not make the asset a good investment, and nothing here says it does. It makes it a different category of thing. What follows from holding it is a separate argument with a separate horizon, and it is filed separately.