I can also buy things online from other countries where it is legal and have them shipped to me. > x-coin isn't that because it has the functions of a currency

I can also buy things online from other countries where it is legal and have them shipped to me. > x-coin isn't that because it has the functions of a currency: Store of value, medium of exchange and unit of accounting. That's a straw man because there's nothing in the definition of currency that is exclusive of being an asset.