September 2020
Beginner to intermediate
495 pages
8h 54m
English
In the last chapter, we engaged in a comprehensive examination of cryptocurrency transactions. Transactions are the fundamental unit of computation in cryptocurrency networks. Without transactions, there is no blockchain. A block consists of several transactions as well as related data. For any block that contains transactions, we want to ascertain two properties: firstly, that these transactions have not been tampered with and, secondly, whether a particular transaction is present in the block.
You will recall from Chapter 8 that the block attribute prevblockhash ...
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