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1.2 Hash Pointers
coloradokim edited this page Oct 9, 2017
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Hash pointers allows us to get info back and verify it hasn't changed
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Blockchain is a linked list with a hash pointer
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If an adversary tampers with data, they will also have to tamper with the hash pointer, which is very complex and hard to do
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A Merkle Tree can have lots of data, but we only need to remember to root hash