August 2018
Beginner to intermediate
350 pages
11h 58m
English
Content preview from Blockchain Quick Reference
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Ethereum virtual machine
Ethereum virtual machine (EVM) is a simple stack-based execution machine and acts as a runtime environment for the smart contracts. The word size of EVM is 256-bits, which is also the size limit for each stack item. The stack has a maximum size of 1,024 elements and works on the Last in First Out (LIFO) queue system. EVM is a Turing-complete machine but is limited by the amount of gas that is required to run any instructions. Gas acts as a propellant with computation credits, which makes sure any faulty code or infinite loops cannot run, as the machine will stop executing instructions once the gas is exhausted. The following diagram illustrates an EVM stack:
EVM supports exception handling in case of an exception ...
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