non-public key – Can Bitcoin be recovered from a toddler key alone?

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I’ve a query concerning BIP-32 and keys.

Think about a situation during which a consumer creates a brand new Bitcoin pockets with a seed phrase. He then generates a brand new deal with and sends 1 BTC to this deal with.

Below the covers, my understanding is {that a} grasp non-public/public key shall be created from the seed phrase. Then, a toddler secret’s created below the mum or dad key for the deal with.

Now, suppose this consumer fully loses their seed phrase / grasp keys, BUT they by some means have a replica of the kid key pair that incorporates their Bitcoin.

Is it attainable to get better their Bitcoin from that little one key alone? In that case, what’s the course of? Are particular person little one keys simply the identical as regular (non BIP-32) key/pairs?

Thanks!



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