Like at some point won’t all of the profit be squeezed out of society?
Technically, money is just a number on a ledger. Practically, there’s a finite amount of wealth in the solar system, much less on earth, significantly less accessible to humans and only a slim amount can be taken from the working class before people start starving. We already have little enough that the population is going to start contracting.
So the limit is when everyone is dead and can’t purchase anything.
Well I’d say it’s when the proletariat revolts, destroying the machine of exploitation, at which gathering further profit is impossible.
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Numbers in ledgers is a description of banking but money and banking are not the same thing.
Alternatively you could be describing money management, keeping a ledger of an account. Money management is the management of money but it is not money itself.
A collection of coins or bills is worth a certain amount and when you add or remove money the amount changes but you do not need to update any accounts.
I’m making a distinction between money as a system of abstracting wealth and what wealth practically means. You’re making a highly disputable philosophical argument about the ontological nature of money instead of engaging with the germaine ideas. Simply put: I don’t consider a physical representation of money to be money in-and-of-itself; I consider each bill to be a part of a grand fragmented ledger. Furthermore, bitcoin is literally a public ledger for which there is no physical exchange of any representation of money. As a final example, the Yap isles famously have a monetary system that has physical Incarnations but no physical exchange among the people of the isles. It’s literally just a public ledger that exists in the minds of those who use it.