If the Created started its own currency

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In the events after Halo 5: Guardians we saw most if not all AI join Cortana. From what we know of the AI's ranging from military special purpose to civilian we can presume that the banking and finance industry has 1 "dumb AI" at the very least, with the possibility of multiple galaxy wide. At this point in the 26th century most operations and jobs are done by AI and so an established 'nervous system' of AI's that handle inflation and deflation especially in the events of the human covenant war most likely existed. As planets fall, goods sharply increased in value especially if raw materials are sourced from the outer colonies as suggested. 

So in the event of the Created would it not make sense for the AI, in an Assembly manner create their own currency to replace the human one? 

What do you think it would be called?