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Description

Build Your Own Immutable Chain

A short group task where participants use a text field (paper, card) to pass a message, each adding a new line and then hashing the entire message (conceptually) to visualize immutability. 

Time: 15 minutes 

Setup (in groups of 4-5): 

  • Each group gets a stack of index cards (or a shared digital document) 
  • Each person will add ONE card/entry to the chain 
  • We'll simulate hashing (simplified for the exercise) 

Simplified "Hash" Rule:
A hash = first 3 letters of the message + number of characters
Example: "We fund the garden" → "We 16" (in reality, real hashes are complex)
 

Credits …
NFT ❯
ⓘ Lab Description