Focus mode
šĀ Woohoo! You created your first hash.
Hashing enables us to efficiently compare whether data is changed. Many structures in the blockchain will be built using hashing.
Now, ask yourself: š¤ Given a hash, could a computer find out what the input is?
Itās impossible to do so. A computer would be going through 2Ā²āµā¶ different inputs to find the matching hash, which is a lot of calculations and there is no such computational power in the world.Ā
Next, letās explore what a block is.
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