© Daniel van Flymen 2020
D. van FlymenLearn Blockchain by Building Onehttps://doi.org/10.1007/978-1-4842-5171-3_7

7. Creating a Transactional Node

Daniel van Flymen1  
(1)
New York, NY, USA
 

To attain a fully fledged cryptocurrency, the data in our blockchain must be transactions. Each transaction transfers ownership of coins from one private key to another. The transactions are collected in each block and mined, growing the blockchain; in fact, the older a block is, the more surety it has—it’s more likely to be part of the de facto blockchain. At any given time, miners are busy mining slightly different blocks containing different transactions—it’s a race to find a block—when a miner finds a block, they broadcast it, and the rest of the miners drop ...

Get Learn Blockchain by Building One: A Concise Path to Understanding Cryptocurrencies now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.