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In December, after Wired magazine published the story about Craig Wright, possibly being Satoshi Nakamoto,

Gavin Anderson, Bitcoin's core developer, told the magazine

he'd never heard of Craig Wright. But he began to believe in Wright once he started corresponding

with him by email in early April. At one point, Wright sent him two emails, one written in his own Craig Wright way, and another one,

with essentially the same content written as Satoshi would have written it.

They discussed maths and the history of the invention, and the problems it had faced.

Within a week, Anderson was sufficiently convinced to get on a plane to

London. He was ready to see Wright sign a message to him using the original Satoshi

cryptographic keys. At this point, I began talking to Anderson. He told me he had written an email to write before getting on the plane,

asking for a little more of his backstory and for his thoughts on the state of Bitcoin in 2016.

He replied with a longish email, Anderson told me,

on the state of Bitcoin and why he decided to reveal his secret now,

then followed up with a couple of in-progress research papers. The email sounded like the

Satoshi I worked with, and the papers matched his academic, math-heavy voice too.

Anderson crossed the Atlantic overnight, arriving at the Covent Garden Hotel at 11am

on the 7th of April.

He went to his room, which had been booked as had his flight by Encript, and had two

hours sleep, after which McGregor and Matthews turned up.

They gave me a lot of the background and explained their involvement, Anderson told me.

When Wright turned up at the hotel, Anderson found it easy to talk to him,

...