In 2008, someone using the pseudonym Satoshi Nakamoto published the design of the cryptocurrency bitcoin, proposed the initial code and was active online for just under two years. In this time, they helped develop the code, answer questions and promote the project. Then, claiming to busy with new things, Nakamoto left working on bitcoin and was probably never heard from again.
HBO’s 2024 documentary Money Electric: The Bitcoin Mystery finds director Cullen Hoback looking for the real Nakamoto, motivated by bitcoin being “embraced by nation states” and “incorporated into 401(k)s.”
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Several attempts to unmask Nakamoto have been made before. Previous theories suggest that the elusive developer is Irish graduate student Michael Clear, Japanese-American systems engineer Dorian Nakamoto or one of several cypherpunks who worked on predecessors to bitcoin: Hal Finney, Nick Szabo or Adam Back.
Hoback confronts the man he suspects of being Nakamoto on camera in the film’s climax: Peter Todd, a software developer from Toronto. On film, Todd alternates between joking about being Nakamoto and calling the theory ludicrous, perhaps necessitating him to make an unequivocal denial in the press after it aired.
The documentary is entertaining, but does it play it fast and loose? I would draw attention to three things that deserve further thought.
While stopping short of claiming to have conclusively identified bitcoin’s creator, Hoback suggests something Todd once said to Nakamoto online was a slip up.
The background is this: with bitcoin, users leave tips to have their transactions processed. If the tip is too low, the computers running bitcoin will refuse to process it and the transaction will sit in bitcoin purgatory. Worse, bitcoin users who make this mistake cannot increase the fee without it looking like an attack on the system.
In an online post, Nakamoto posts that transactions could be
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