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Hanoi has submitted an important proposal to the Pacific Construction Group (China) regarding the Văn Cao – Hòa Lạc metro line, a project with total investment of 72.3 trillion dong. On the afternoon of April 9, a Memorandum of Understanding on cooperation was signed between the Hanoi Department of Construction…
Adam Back, the cryptographer and chief executive of blockchain technology company Blockstream, has pushed back against claims that he is Satoshi Nakamoto, the pseudonymous creator of Bitcoin. However, his defence relies on arguments that critics say do not withstand close scrutiny.
Back has offered three reasons for dismissing the suggestion: that chat logs from 2013 show him still learning how Bitcoin worked two years after Satoshi went silent; that sharing private emails without the other party’s consent is a matter of basic courtesy; and that it is simply impossible to disprove a claim people have already decided to believe.
The learning curve argument is the most specific of the three and, according to critics, the most superficially convincing.
The reasoning is that if Back had designed the system, he would not have needed to ask developers how it functioned.
But Satoshi disappeared from public view in April 2011. A person who had operated anonymously for years and understood the consequences of exposure might plausibly have chosen to re-enter Bitcoin discussions in 2013 presenting as a curious newcomer rather than an authority.
Asking basic questions in 2013, critics argue, could reflect calculated caution as easily as genuine ignorance.
Back’s position becomes harder to sustain on the email issue.
New York Times investigative journalist John Carreyrou asked Back to release metadata from the emails Satoshi sent him before the Bitcoin white paper was published in 2008. Back declined, citing the impropriety of sharing private correspondence without the other party’s permission.
Critics note that this reasoning would carry more weight if the other party were reachable. Satoshi Nakamoto is a pseudonym attached to a person who has been untraceable for 14 years, and Back cannot seek consent from someone who, by design, cannot be found.
Back has also acknowledged sharing the same emails with lawyers acting on behalf of Bitcoin developers when asked to do so, a distinction that critics say sits uneasily with his current rationale.
Carreyrou’s case, built on writing patterns, timing, and the significance of Back being the first person Satoshi ever contacted before publication, is described as circumstantial and falling short of proof.
Back is correct that disproving a negative is difficult and that determined believers are rarely shifted by counter-argument alone.
Still, critics argue that both observations are also exactly what someone in Back’s position would say regardless of whether the underlying claim is true.
The metadata, they say, would settle more than anything Back has offered so far, but Back has declined to provide it.
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