Why would it have value in relation to some of those and not others? Sure, state action could make it hard to exchange bitcoins for other currencies, but we cou

Why would it have value in relation to some of those and not others? Sure, state action could make it hard to exchange bitcoins for other currencies, but we could still infer a $ value by looking at the btc and $ prices of goods they can both buy. (And yeah there can be complications and imperfections in that process, but not enough to make the statements 'bitcoin does/doesn't have 0 value' particularly vague or ambiguous.)