2021 — 5hphagt65tzzg1ph3csu63k8dbpvd8s5ip4neb3kesreabuatmu

, the smallest possible (though invalid) private key. It is frequently used in technical documentation, programming tutorials, and online "puzzles" as a placeholder or example of a private key derived from a 256-bit scalar of all zeros. docs.antelope.io Technical Context Scalar Value

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, a system that excludes visually ambiguous characters (like 0, O, I, and l) to prevent transcription errors. docs.antelope.io Common Uses and References EOS Wallet Specification - Antelope Developer Documentation 5hphagt65tzzg1ph3csu63k8dbpvd8s5ip4neb3kesreabuatmu