"Cash, which is awkward to immobilize for policy reasons, will be gone in a decade or two, leaving the public entirely dependent on bank deposits and fintech balances which, thanks to digitization and automation, can be easily controlled by the authorities. To rein in a jump in inflation, central bankers will require commercial banks and companies like PayPal to impose temporary quantitative freezing on their clients' accounts, but unlike Finland's 1945 blockade, the authorities will be able to rapidly and precisely define the criteria, say by allowing for spending on necessities — food, electricity, and gas— while embargoing purchases of luxury cars and real estate"