On May 15, 2015, the New York Times published “Decoding the Enigma of Satoshi Nakamoto and the Birth of Bitcoin” by Nathaniel Popper, the paper’s cryptocurrency reporter. The article was an excerpt from Popper’s book Digital Gold: Bitcoin and the Inside Story of the Misfits and Millionaires Trying to Reinvent Money, published the same month by Harper. The piece concluded that Nick Szabo — the cypherpunk-era cryptographer who designed Bit Gold (1998 conceived, fully published December 29, 2005) and coined the term “smart contracts” (1994) — was the most likely individual behind the Satoshi Nakamoto pseudonym.
The reporting:
Popper had spent roughly two years on the book, interviewing dozens of figures across the early Bitcoin and cypherpunk communities. The Szabo-identification line of reasoning, as presented in the article, rested on three principal threads:
- Bit Gold conceptual proximity. Szabo’s Bit Gold proposal — a chain of computational proof-of-work artifacts authenticated by a Byzantine-fault-tolerant network of servers — anticipated the architectural problem space of Bitcoin more closely than any other published precursor. Popper described Bit Gold as “the closest precursor to Bitcoin.”
- Stylometric and intellectual fingerprint. Popper drew on the prior pseudonymous-blogger Skye Grey investigation (December 2013) and on his own reading of Szabo’s writing across the Unenumerated blog and earlier mailing-list posts, finding what he described as a recurring overlap of phrasing, reference, and analytical register with the Satoshi corpus.
- Polymath profile fit. Szabo’s combination of computer science, cryptography, monetary economics (he had explicitly engaged with Austrian-school monetary theory), and legal scholarship matched the unusually wide skill range visible in Satoshi’s writing and code.
Szabo’s denial:
Popper contacted Szabo during the reporting. Szabo denied the identification by email. The denial is widely cited in subsequent coverage on Wikipedia and in journalism follow-ups; the substance of the denial included the position that other people — specifically Wei Dai and Hal Finney — were the candidates Szabo himself thought more plausible, given who in his circle was both intellectually engaged with the digital-cash problem and technically capable of implementation.
Reception:
The Popper piece marked the point at which the Szabo-as-Satoshi hypothesis crossed from cypherpunk-community discussion (Skye Grey’s December 2013 LikeInAMirror article, the April 2014 Aston University forensic-linguistic study) into the mainstream U.S. paper of record. Digital Gold itself became the standard journalistic history of Bitcoin’s origin period. The book’s framing of Szabo as the most plausible Satoshi candidate has been cited continuously since, including in:
- The April 2014 Guardian coverage of Skye Grey’s work (which used a similar Szabo-leading framing).
- Hannah Murphy / Fortune, “Is There Any Doubt This Man Created Bitcoin?” (October 31, 2018).
- Tim Ferriss Show #244 (June 4, 2017), the most extensive Szabo audio interview in the public record.
Pre-existing archive context relevant to the article:
The archive holds primary-source material that bears directly on Popper’s identification and on Szabo’s denial:
- Szabo’s April 27, 2008 comment on his Unenumerated blog — six months before the Bitcoin whitepaper — asking “anybody want to help me code one up?” for Bit Gold. The comment is the strongest single counter-signal to the identification: it places Szabo, in April 2008, publicly soliciting implementation help for a system architecturally simpler than the one the Bitcoin whitepaper would describe in October.
- Szabo’s May 28, 2011 Unenumerated post “Bitcoin, what took ye so long?”, in which Szabo wrote “Nakamoto improved a significant security shortcoming that my design had” — discussing Nakamoto in the third person while crediting himself with Bit Gold’s design.
- The Szabo biography page covering the full Unenumerated and Bit Gold record.
Methodological framing:
Popper’s identification, like Skye Grey’s before it, was stylometric and circumstantial rather than forensic. No code, no key, no email metadata, and no financial trail were tied to Szabo. The hypothesis rests on conceptual proximity (Bit Gold → Bitcoin) and pattern matches in writing and biography. Szabo’s denial is the disposition of record from the named individual; the structural arguments against the identification are laid out in the analytical entry.
For the analytical treatment of the Nick Szabo = Satoshi hypothesis (Popper’s evidence weighed against the April 2008 implementation request, the May 2011 third-person framing, the continuous Unenumerated visibility throughout 2007–2008, and Szabo’s repeated denials), see the Nick Szabo = Satoshi identity hypothesis entry.