30 Sep '14, 12pm

This is what mining bitcoin by hand looks like:

This is what mining bitcoin by hand looks like:

If you can’t get your head around mining bitcoin with increasing amounts of computer power, don’t even think about doing it with just brain power. Software engineer Ken Shirriff tried exactly that, mining the cryptocurrency at a rate of 0.67 hashes per day using just a pencil, paper, and a lot of mental horsepower. He put together a blog post detailing exactly how to compute the algorithm used for mining by hand, which was reposted on Gizmodo , and the whole thing is as mind-boggling as you’d expect. The video above shows Shirriff manually working out one round of the SHA-256 algorithm (the “secure hashing algorithm” used by Bitcoin), which Shirriff insists is actually “surprisingly simple” and much easier for non-computers to work out than the scrypt-based hashing algorithms used by altcoins including Dogecoin and Litecoin. Nevertheless, just one round takes him over 16 m...

Full article: http://motherboard.vice.com/read/this-is-what-mining-bitc...

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Mining Bitcoin With Pencil and Paper

gizmodo.com 29 Sep '14, 8pm

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Mining Bitcoin with pencil and paper: 0.67 hash...

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Mining Bitcoin with pencil and paper: 0.67 hash...

righto.com 28 Sep '14, 5pm

about my energy consumption. There's not much physical exertion, so assuming a resting metabolic rate of 1500kcal/day, man...

Ken Shirriff's blog: Mining Bitcoin with pencil...

righto.com 28 Sep '14, 4pm

about my energy consumption. There's not much physical exertion, so assuming a resting metabolic rate of 1500kcal/day, man...

Mining Bitcoin with pencil and paper: 0.67 hash...

righto.com 28 Sep '14, 4pm

about my energy consumption. There's not much physical exertion, so assuming a resting metabolic rate of 1500kcal/day, man...

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cnet.com 24 Sep '14, 3am

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cnet.com 24 Sep '14, 3am

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theguardian.com 24 Sep '14, 1am

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