©  Daniel Drescher 2017

Daniel Drescher, Blockchain Basics, 10.1007/978-1-4842-2604-9_15

15. Using the Data Store

Chaining blocks of data

Daniel Drescher

(1)Frankfurt am Main, Germany

Step 14 introduced the blockchain-data-structure. It turns out that the blockchain-data-structure consists of two major components: an ordered chain of block headers and Merkle trees containing transaction data. This data structure was invented with the goal of storing transaction data in a secure fashion. But what does storing data in a secure fashion mean in this context? Answering this question is the purpose of this step. This step points out the consequences of changing data in the blockchain and it illustrates how the blockchain-data-structure detects changes. ...

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