Can a bank make huge amounts of crypto money out of thin air? Then lend them to other banks so that they can also make more crypto money out of thin air? And th

Can a bank make huge amounts of crypto money out of thin air? Then lend them to other banks so that they can also make more crypto money out of thin air? And then lend them to people for buying houses and cars, paying for education and medical services, so that our economy can reach record heights? It seems to be an important part of money, required for our civilization to exist.