[uncletammy]

Here's an example of an electricity-free blockchain : http://www.righto.com/2014/09/mining-bitcoin-with-pencil-and...

[anm89]

I'm not sure if you are saying this to agree or disagree with me but it's worth noting that you are making the same mistake as the parent. in the article you posted, the thing being created is not a block chain, it's a single proof of work solution.