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Arbitrary Code

Definition

Arbitrary code refers to program instructions that can be executed without restriction. Within digital systems, this denotes code capable of performing any operation its creator or executor intends, often without predefined limits. In the context of smart contracts or blockchain protocols, arbitrary code execution implies the ability to run unconstrained instructions, which can be a critical security vulnerability. It permits an attacker to dictate system behavior, potentially leading to unauthorized asset transfers or data manipulation.