I think that not having had inflation for the last 30 years will be quite hard for the average young Japanese, who does not understand how Fiat and the economy work. By living anchored to the JPY all the little savings power you have, you will see how the purchasing power in your hands is diluted... fact: for periods of high inflation "money is of no use and merchandise works better to save saving power." buy so to speak, although if you are reading this, you already know bitcoin and will not suffer from the inflation of Fiat money