O'Reilly logo

Blockchain Basics: A Non-Technical Introduction in 25 Steps by Daniel Drescher

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

©  Daniel Drescher 2017

Daniel Drescher, Blockchain Basics, 10.1007/978-1-4842-2604-9_18

18. Verifying and Adding Transactions

Ruling a group of computers with carrot and stick

Daniel Drescher

(1)Frankfurt am Main, Germany

In Step 17 individual computers were turned into nodes of a purely distributed peer-to-peer system that communicate with one another about transaction data and new blocks to be added to the blockchain-data-structure. This step focuses on what happens once a node receives transaction data and how to ensure that only valid transaction data and blocks are added to the blockchain-data-structure.

The Metaphor

Let’s consider a company that offers a simple service: grading multiple-choice tests for schools and universities. Schools and ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required