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Protocol Logic Flaw

Definition

A protocol logic flaw is an error or weakness in the fundamental design or implementation of a blockchain’s operational rules. This defect resides within the core programming that dictates how transactions are processed, how consensus is achieved, or how state changes are managed. Exploiting such a flaw can lead to severe consequences, including the creation of unauthorized assets, the manipulation of transaction history, or a complete breakdown of network integrity. These flaws are distinct from simple coding errors.