[mantap]

This is well trodden ground but the genesis block message plus the distinctly British style of his writing convinces me that Satoshi has some connection with the UK.

[WalterBright]

The British style is simply using the words flat, maths, etc. I wouldn't underestimate Hal's ability to do such an easy misdirection. I've only spent a few days in Britain before starting to talk like that.

Using word frequency analysis to determine authorship goes back at least to the 1970s.

[nanagojo]

But, in his announcement he spelt "decentralized". Which isn't the British way.

[mantap]

Actually this is a common misconception. BrE allows either -ise or -ize, whereas AmE only permits -ize. The -ize spelling in BrE is called "oxford spelling" https://en.m.wikipedia.org/wiki/Oxford_spelling

[londons_explore]

When I write code or here on HN, I try to use Americanisms... But when writing longer form or official things, I use British English.

I doubt I'm the only one.