It's only money laundering if you're using cryptocurrency to get out of paying taxes or to hide criminal activity. It's not money laundering to buy something instead of keeping your money in a currency undergoing inflation.

Money laundering is attempting to hide the source or destination of funds. Hyperinflation states will usually have strict currency controls in place and Bitcoin is useful in that situation to get around those controls, the whole idea being... its usefulness in hiding the flow of funds.