I don't have much to add about it being a currency or not, just that you aren't being very clear. One moment you say its not, then the next it is, just not a good one, the next it's not again. And "not a good one", objectively you could lump just about anything into

I'm under the belief that if it can be locally commonly exchanged for goods or services is a currency. If its gold, cash, btc, or bottle caps. If its a good form of currency or not is a completely different question