Protocol & Consensus • Estimated 20m

Script Execution Stack

protocol.script-execution-stack

Bitcoin Script evaluates spending conditions as a stack machine. Data pushes and opcodes consume and produce stack items in sequence, and a script succeeds only if execution finishes without failure and leaves a truthy result on the stack.

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Curated resources (3)

• Script (article) Reference overview of Bitcoin Script as a stack-based, Forth-like language and how opcodes transform stack items.
• Bitcoin Developer Guide: Transactions (article) Canonical walkthrough of script validation, stack evaluation, and the conditions that make a spend succeed or fail.
• Mastering Bitcoin (book) Authorization and authentication chapters covering Script construction, stack execution, and spending validation.

Direct prerequisites (1)

• Bitcoin Script

Direct dependents (0)

• None

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