Essentially, any monetary format is based on faith and general acceptance by the masses. Shells, pebbles, gold and silver, bitcoin... And the last one can't even be held in your hands! When will this end - who knows, but the era of cryptocurrencies is just beginning - fast, convenient, and without intermediaries.
Meanwhile, food prices are also rising. I would buy strawberries in the summer and sell them in the winter) but that is impossible, you know why.