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How I understand seed phrase is a secured phrase of my private keys.

And then I have a question:

If I create a wallet I get one seed phrase, one account and one private key. If I push another private key in my wallet then it has two private keys (two accounts) then the seed phase has to change then I can recover my wallet with two accounts (two private keys) if I need.

Do I right understand this moment? The seed phase will change automatically.

3

If I create a wallet I get one seed phrase, one account and one private key.

Nearly. You get one seed phrase, but that can translate into multiple private keys, and therefore multiple accounts.

If I push another private key in my wallet then it has two private keys (two accounts) then the seed phase has to change then I can recover my wallet with two accounts (two private keys) if I need

No - the seed phrase never changes.


The part you're missing is the idea of HD - hierarchical deterministic - wallets.

An HD wallet starts with a master key, which can be represented by a mnemonic. The master key - and therefore mnemonic - never changes.

From the master key you can then derive child keys, each representing a different account.

Background:

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  • Ok, thanks. I hope now I understand right. Seed phrase already contains many, many... private keys and it gives me a new private from its own list when I need it. Am I right? – Mr. JE Apr 16 at 12:09
  • Yes, that's correct :-) – Richard Horrocks Apr 16 at 13:32
  • Also, I have a little question. For example, I have a wallet with seed phrases and I import another private key into it. So I understand when I'll recover my wallet with seed phrases it will not contain the imported private key and I have to import it again. Are my minds on the right way? – Mr. JE Apr 17 at 0:44
  • ...because the imported private key doesn't contain in the list of seed phrase. – Mr. JE Apr 17 at 0:52
  • Good question. Yes, you're correct :-) The imported private key won't be a key derived from the original seed phrase. – Richard Horrocks Apr 17 at 7:47

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