November 2018
Intermediate to advanced
528 pages
13h 21m
English
Content preview from Blockchain By Example
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Ethereum virtual machine and smart contracts
The Ethereum virtual machine and smart contracts are key elements of Ethereum, and constitute its main attraction. The smart contract is a concept that was introduced in the 1990s by Nick Szabo, as a set of commitments specified in digital form. In Ethereum, smart contracts represent a piece of code written in a high-level language (Solidity, LLL, Viper) and stored as bytecode in the blockchain, in order to run reliably in a stack-based virtual machine (Ethereum Virtual Machine), in each node, once invoked. The interactions with smart contract functions happen through transactions on the blockchain network, with their payloads being executed in the Ethereum virtual machine, and the shared blockchain ...
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