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The Archive01 documents on file“Bitcoin xpub Exposure: One Leaked Key, Whole Wallet at Risk”The Archive01 documents on file“Bitcoin xpub Exposure: One Leaked Key, Whole Wallet at Risk”

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Bitcoin xpub Exposure: One Leaked Key, Whole Wallet at Risk

A leaked Bitcoin extended public key exposes every address in your wallet tree, past and future. The mechanism, the math, and the containment steps.

Daniel Brooks7 min read / 03.08.2026
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