About programming style of Satoshi Nakamoto, Jameson Lopp wrote about it in his article
Why Hal Finney was not Satoshi Nakamoto?You can explore more about it here but this article only gives you some supplementary information while I understand that your topic is about another objective even it is about coding.
Inconsistencies in Coding StylesSome have claimed stylistic similarities between Hal’s and Satoshi’s public writing, but I know nothing of stylometric analysis thus I can't comment on the veracity of that claim. What I can confidently state is that their code is quite different.
We can compare Hal’s Reusable Proofs of Work code against the original Bitcoin client and several differences are immediately apparent.
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