New York Times Unmasks British Cryptographer Adam Back as Alleged Bitcoin Creator

John Carreyrou’s NYT investigation claims British cryptographer Adam Back is Satoshi Nakamoto. Read about the linguistic evidence and Back's repeated denials.

By: AXL Media

Published: Apr 10, 2026, 6:30 AM EDT

Source: Information for this report was sourced from Futurism

Pulitzer Winner Targets Cypherpunk Pioneer in Year-Long Probe

On April 8, 2026, The New York Times published an exhaustive investigative report identifying 55-year-old British cryptographer Adam Back as the most likely candidate for Satoshi Nakamoto. John Carreyrou, the journalist renowned for exposing the Theranos fraud, spent 18 months cross-referencing over 134,000 posts from early 1990s mailing lists with Nakamoto’s known writings. Carreyrou’s interest was reportedly piqued by a 2024 HBO documentary in which Back appeared visibly uncomfortable when questioned about his identity. The investigation argues that Back’s invention of Hashcash in 1997—a proof-of-work system directly cited in the Bitcoin white paper—was the fundamental blueprint for the cryptocurrency's mining mechanism.

Forensic Linguistics Reveal Shared Stylistic Fingerprints

The centerpiece of the Times investigation is a stylometric analysis conducted alongside AI specialist Dylan Freedman. The study identified 67 distinct hyphenation errors shared exclusively between Back and Nakamoto out of a sample of 325 linguistic quirks. Furthermore, the report claims that Back was the only member of the Cypherpunks movement to use specific, obscure phrases such as "a menace to the network," "burning the money," and "partial pre-image" in the same technical context as Nakamoto. While linguist Florian Cafiero described the results as "inconclusive" due to the high volume of Back’s public posts, Carreyrou maintains that the "eye-test" of their writing habits—including inconsistent British and American spellings like "cheque" and "check"—points directly to Back.

A Decade of Silence and the Rise of Blockstream

Carreyrou’s narrative highlights a suspicious "quiet period" in Back’s public activity that mirrors Nakamoto’s most active years. According to the report, Back remained unusually silent on the Cryptography mailing list from 2008 until April 2011, exactly when Nakamoto vanished from the public eye. Back’s subsequent emergence in 2013 to co-found Blockstream—a company that raised over $1 billion and hired several core Bitcoin developers—is framed as Nakamoto "reappearing under his real name to take back the reins." Back has refuted this timeline, stating he was simply occupied with private sector work during those years and only became interested in Bitcoin once it gained institutional tractio...