©  Daniel Drescher 2017

Daniel Drescher, Blockchain Basics, 10.1007/978-1-4842-2604-9_19

19. Choosing a Transaction History

Let computers vote with their feet

Daniel Drescher

(1)Frankfurt am Main, Germany

Step 18 explained how the nodes of the blockchain process transaction data and new blocks. However, the transaction history maintained by the individual nodes of the system may still differ due to delays or errors in message passing. Hence, this step focuses on resolving conflicts among the different versions of the transaction history maintained by the individual nodes of the system.

The Metaphor

When was the last time you took a walk through a park? Have you noticed a phenomenon that can be observed in most parks all over the world? They have paved ...

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