P2PK to P2PKH: Hashing the Public Key

How Bitcoin output and input scripts work, and how HASH160 let addresses shrink from 65-byte keys to 20-byte commitments.


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Feynman technique

Learn with the Feynman Technique

Explain each idea in your own words in handwriting, then upload a photo for AI critique. Two attempts per question — there's no "right" answer, only depth of understanding.