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it's not that hard! why don't you try?

I don't understand the whole HASH thing. I'm not at all technical.

just think of it as a mean to get the fingerprint of someone: it is not common to get to person with the same fingerprints and it is "impossible" to "link" the fingerprint to the person if you don't know the person. That sums it up.

Yes but this 'Hash the sentence with SHA-256' leaves me utterly baffled.

use the website and type your sentence, press generate (remember the sentence that represents your move in the game) and post the hash here. Pretty easy took like 20 seconds.