April 2020
Intermediate to advanced
244 pages
7h 20m
English
Content preview from Securing Blockchain Networks like Ethereum and Hyperledger Fabric
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Introducing smart contract fundamentals
Smart contracts were first theorized by Nick Szabo, defining them in a 1994 article (available at http://firstmonday.org/ojs/index.php/fm/article/view/548) as an electronic transaction protocol designed to execute the terms and conditions of a contract without depending on trusted intermediaries due to the minimization of execution exceptions.
These objectives are achieved by automating the contractual clauses embedded into the software and made self-enforcing by resorting to automated settlements, without the need for legal systems or trusted intermediaries.
Originally, smart contracts were implemented in limited form in Bitcoin, through the use of scripts developed in a non-Turing-complete language. ...
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