Blockchain Developer Certification Practice Exam 2025 – All-In-One Guide to Master Your Certification!

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What type of variable is stored in the EVM Stack?

Function arguments

State variables

Local variables of non-reference types

The Ethereum Virtual Machine (EVM) Stack is designed to hold local variables and temporary data needed during contract execution. Local variables, particularly of non-reference types, are used for intermediate computations, function parameters, and for keeping track of state within the scope of a function. These variables are placed on the stack for efficient access and manipulation as they have a limited lifetime and relevance during the execution of a specific function call.

Local variables of non-reference types include primitive data structures such as integers or booleans, which are directly stored in the stack. This contrasts with state variables and other data types which have a longer lifespan and are stored in storage or memory. The stack operates on a last-in-first-out (LIFO) basis, which is ideal for handling these temporary values that don't require persistent storage beyond the current function's execution.

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Perpetual state data

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