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Bitcoin – the short version 
Chris Swan 
@cpswan
The big hype – was last year
Currency – it’s just numbers 
VA0436214792 
e5462b77da904d2898fb5 
0e722a11cc9c328e7a7718 
fb077083bc641f4ba32d4
New bitcoins made by mining
The mining arms race
At scale
Glory days are gone already
All that work goes into the blockchain
Truth by consensus 
With thanks to 
Michael Neilsen: 
‘How the Bitcoin 
protocol actually 
works’ 
is.gd/htbpaw
The Bitcoin wallet is just an 
app for the blockchain

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Bitcoin – the short version