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4 votes

Blockchain cipher suitable for preschoolers

If all you want is a simple hash function you could do something like this. First take your original message and apply something like ROT 13 to it. This gives a reversible cipher, of course. Then ...
Buffy's user avatar
  • 36.4k
3 votes

Blockchain cipher suitable for preschoolers

A simple hash algorithm is modulo or remainder (they are the same for positive numbers). You only need be able to count. To calculate $n$ modulo $m$, take $m$ empty pots, and $n$ marbles. Place one ...
ctrl-alt-delor's user avatar
3 votes

Blockchain cipher suitable for preschoolers

You asked, Does there exist a pencil & paper activity involving blockchain ciphers which is suitable for preschoolers? The answer is no. However, you might be able to teach such things to ...
Samuel Muldoon's user avatar
1 vote

Blockchain cipher suitable for preschoolers

I am a preschool teacher and a former CS/IT worker. Yes, you can teach CS to preschoolers. It is a part of the Digital Citizen lesson planning that is common across the board. I would say use colors ...
KHailey's user avatar
  • 11
1 vote

Blockchain cipher suitable for preschoolers

Pick your first word from the sentence to hash. Look it up in a dictionary and write down the first word of the description. Pick the next word and look it up. Write down the second word from the ...
Sentinel's user avatar
  • 224

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