A shadow continues to hang over the history of bitcoin. Since its beginnings, the identity of Satoshi Nakamoto has fueled investigations, hypotheses and debates in the crypto universe. A new documentary, “ Finding Satoshi »relaunches this mystery with a central thesis: the creator of bitcoin would have been a duo, and not a single person. The film names Hal Finney and Len Sassaman as the two figures behind this pseudonym. Broadcast on Wednesday, it is based on four years of investigation, combining testimonies, technical data and biographical elements. Without providing definitive proof, the documentary constructs a coherent scenario around a collective origin of BTC, before its public disappearance.
In brief
- The documentary Finding Satoshi argues that bitcoin was not created by a single person, but by a duo formed by Hal Finney and Len Sassaman.
- According to this thesis, Hal Finney would have mainly developed the code, while Len Sassaman would have contributed to the writing, in particular of the white paper.
- The film also places the birth of bitcoin in the world of cypherpunks, PGP encryption and the first ideas of digital currency.
- Even without definitive proof, the documentary seriously reopens the debate on Satoshi Nakamoto and the true origins of bitcoin.
Bitcoin: the thesis of the Hal Finney-Len Sassaman duo
The heart of the documentary is based on a precise distribution of roles. Led for four years by the American economic writer William D. Cohan and the private investigator Tyler Maroney, the investigation presented in the “ Finding Satoshi » argues that Hal Finney above all designed the bitcoin code. Len Sassaman would have been more involved in writing, particularly that of the founding white paper. Thus, the film presents Satoshi Nakamoto as a collective signature, and not as an isolated individual.
To defend this reading, the investigators rely on several interviews. Fran Finney, widow of Hal Finney, appears in the film. She acknowledges that her husband probably participated in the birth of BTC. For her part, Meredith L. Patterson, widow of Len Sassaman, also looks back on her husband's technical career.
Before getting there, the directors explore several known avenues. Adam Back, Nick Szabo, David Chaum, Paul Le Roux and Wei Dai are among the names studied. However, the authors believe that Finney and Sassaman better fit the desired profile. Their skills, their exchanges and their technical environment reinforce this hypothesis around bitcoin.
The film also adds an element of method. He's not just looking for a famous face. Rather, he attempts to explain how the BTC could have arisen from complementary work, shared between code, reflection and writing. This approach significantly changes the usual framework of the debate.
Cypherpunks, PGP and crypto roots
The documentary also places bitcoin in its original context. It shows that the project is part of a culture already structured around encryption, privacy and open systems. Cypherpunks take center stage here. This movement has long defended technology capable of protecting exchanges without a central authority.
Hal Finney and Len Sassaman knew this universe deeply. Both worked around PGP, a major tool for encrypting emails. This point weighs heavily in the authors’ reasoning. According to them, bitcoin was not born from a sudden inspiration, but from already ripe intellectual soil.
The film also revisits several ideas that predate bitcoin. He notably cites Hashcash, created by Adam Back, as an important building block of the proof of work mechanism. At the same time, he mentions the extropians and other technophile communities who were already imagining forms of digital currency. From then on, the documentary draws a landscape where several influences converge towards BTC.
This context gives coherence to the duo's thesis. Finney appears to be a credible profile for technical architecture. Sassaman is more part of the culture of language, encryption and activist networks. Together, they represent a combination that the film deems compatible with the history of bitcoin.
The rest of the file…
The authors complete their investigation with external analyses. A former FBI agent assesses the possible motivations of the white paper's author. According to his analysis, the founder of bitcoin did not seem to be driven by money. This point fuels the debate, because the fortune attributed to Satoshi remains immense and largely immobile.
They also have a notable limitation. At one point, Satoshi was exchanging emails while Hal Finney was racing in California. For investigators, this discrepancy does not destroy the thesis. On the contrary, it supports the idea of a tandem behind bitcoin, with distributed tasks.
As it stands, “ Finding Satoshi » therefore does not provide definitive proof. On the other hand, it refocuses the investigation on two major figures of modern cryptography. In the coming months, this avenue could relaunch historical research into the origins of bitcoin. For the moment, the mystery remains unsolved, but the debate is gaining a new structure, more precise and more documented.
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