By the way, this recognition that trust is central, or even constitutive, for the properties of money is very old; it was already discussed in the 4th century BC by Aristotle in his Politics and Nicomachean Ethics.
In recent times, in particular, many citizens are asking about the origin of money: where do the central banks actually acquire the huge amounts of money that they need to give billions in loans to the banking system as part of monetary policy operations or to make other purchases? Why it is often repeated in this context that central banks have virtually unlimited firepower?