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Is it possible to reverse engineer a private key back into mnemonic seed if it is not hard derived?

Is the private key using subkey derived from the mnemonic in a soft way? if so can the mnemonic be known from the private key?

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  • If the mnemonic is hashed to produce the private key then you can't. Commented Mar 17, 2023 at 16:47

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Nope. Private keys derive from the mnemonic. A mnemonic can generate a lot of private keys. You can also check the HD wallet spec.

It's a one-way function like you said. Maybe it's a hash function. You can't recover the mnemonic from the private key.

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  • Is it so? How does the mnenomic then recreate my private key?
    – Simson
    Commented Jun 20, 2023 at 5:52
  • Use the one-way function. M -> P: f(x) = y, P -> M: f(y) != x.
    – AurevoirXavier
    Commented Jun 20, 2023 at 7:52

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