More likely not a person due to the complexity of the code. AI makes sense complex computational power. Through deep learning AI controls financial resources feeds on broadness of blockchain to grow and expand.
I disagree. Everything is complex if you don't understand it.
People like Wei Dai, Adam Beck, Hal Finney, Gavin Andresen, Martti Malmi, and many others are all capable of understanding and developing the complexities of bitcoin.