Blockchain by images

I just started a series of posts (#blockchain_by_images) on my twitter profile where I will try to explain basic blockchain (and Ethereum) concepts with visual non-technical examples using real-world images/situation.
Just to get the idea, have a look to my visual explanation of one-way function (SHA/KECCAK)



I think it's easier to understand than the first paragraph of Wikipedia's page:

"In computer science, a one-way function is a function that is easy to compute on every input, but hard to invert given the image of a random input. Here, "easy" and "hard" are to be understood in the sense of computational complexity theory, specifically the theory of polynomial time problems. Not being one-to-one is not considered sufficient of a function for it to be called one-way (see Theoretical Definition, below)."

Mixing color is a very good example of SHA like functions: given a precise amount of red/yellow/blue you always get the same color, but starting from final color is hard guessing initial colors amounts.

Anyway, I don't know how far I'll go with this #blockchain_by_images, just try to follow me, retweeting what you like, leaving a comment if you have any question or feedback, adding your images on various blockchain concepts using the tag  (#blockchain_by_images) and we will see...
The idea is the images explain their selves, at worst helped by 160 chars, so no other blog posts about this...maybe just a final one collecting them all...

See you on twitter....

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