I’m not asking you to “give” my money value. I’m asking you to answer a simple yes or no question: does it currently have value or not? The way you’re trying to defend your obvious lack of consistency is purely circular. If it has value, you tax it. You can’t say that if you tax it then it’ll have value that justifies taxing it the first place.
I think your difficulty is in understanding what states hope to achieve by taxing, which is not in order to capture some "value" from the thing being taxed. To them, crypto obviously has no value beyond anything they can do with the crypto (i.e. none). On the other hand those that fall under the tax jurisdiction of a state have a tax liability and whatever unit they can satisfy that liability in has value.
The fact that states can't issue more crypto on demand is why they'd be stupid to ever pay attention to it, much less let people pay their taxes in it. Crypto is not even money in the sense that it doesn't represent a debt, which is where the value of money is derived from.
That's because your question is not meaningful. You haven't found some great way to catch people out, you've just found the limits of your understanding. That's great, it's a chance to understand where the problem with the posed dichotomy lies.
The reason I'm here is to discuss issues, which means more than single word answers. I'd love for you to respond in a way that actually challenged what I'm saying, or questioned it more deeply or whatever. I'm not here to win; I'm here to learn.