A New York Times investigation points to the 55-year-old inventor of hashcash as the most likely identity behind Satoshi Nakamoto
A forensic investigation by the New York Times has identified British cryptographer Adam Back as the most credible candidate yet for Satoshi Nakamoto, the pseudonymous creator of Bitcoin, based on an analysis of writing style, technical fingerprints and circumstantial evidence accumulated over 17 years of speculation.
The report, by journalist John Carreyrou, draws on an AI-powered analysis of a database of more than 30,000 users to examine a highly specific linguistic quirk: the incorrect use of hyphens.
Satoshi's writing, across the original Bitcoin white paper and early forum posts, displays a consistent pattern of hyphenating compound nouns while leaving compound adjectives unhyphenated, the reverse of standard usage.
Back, the investigation found, matched this pattern more closely than any other individual in the dataset.
The white paper itself provides an additional connection: it cites hashcash, an anti-spam protocol invented by Back in the late 1990s, as the mechanism underpinning Bitcoin's proof-of-work mining system.
Carreyrou also reports that Satoshi emailed Back directly two months before the white paper was published in October 2008, a detail that Back has previously acknowledged but downplayed.
Back, now 55, is the chief executive of Blockstream, a Bitcoin infrastructure company, and is widely respected within the cryptography and Bitcoin communities.
He has consistently denied being Satoshi, but the NYT investigation describes his responses to questioning as evasive and at times inconsistent, having shifted from polite engagement to firm denial as scrutiny increased.
The search for Satoshi Nakamoto has generated more than 100 serious candidates since Bitcoin's launch, including Australian computer scientist Craig Wright, who has repeatedly and unsuccessfully claimed in court to be the creator, and Tesla chief executive Elon Musk, who has denied any connection.
The stakes of identification are considerable: Satoshi is estimated to hold approximately one million bitcoins, worth tens of billions of dollars at current prices, none of which have ever been moved.
Beyond the financial dimension, the question of Satoshi's identity carries ideological weight for the Bitcoin community, which was built explicitly on the premise of decentralisation and the absence of a controlling authority.
The revelation of a living, identifiable founder would hand the project a de facto leader, an outcome many in the community would regard as contrary to Bitcoin's founding principles.
Carreyrou's investigation suggests this tension may itself be a motivation for Back, if he is indeed Satoshi, to maintain the fiction of anonymity: preserving the leaderless mythology may matter more to him than personal recognition or access to his dormant fortune.
Back has not responded publicly to the NYT investigation at the time of publication.
The report adds fresh momentum to a debate that shows no sign of resolution, and raises the possibility that the most consequential unsolved mystery in financial technology may finally be approaching an answer.