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I'm trying to find the private keys to a derived ETH address from a master BIP39 mnemonic / 12 word seed phrase. I can import the seed into MetaMask and can see/access the funds for the primary/master ETH address (m/44'/60'/0'/0), but cannot identify any of the derived addresses (these are generated for each new transaction, then a internal transaction transfers to the primary/master).

I've run a few tests with the seed and the https://iancoleman.io/bip39/ tool to iterate around 100k derived addresses, but cannot identify any of the known/used ETH addresses that were derived.

For reference: the seed is from a Coinbase Commerce checkout https://www.reddit.com/r/CoinBase/comments/i5sl3b/mods_is_coinbase_commerce_bip39_bip44_complaint/g18rqhc?utm_source=share&utm_medium=web2x&context=3

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  • Did you check addresses derived based on the account, rather than the address index? E.g., m/44'/60'/1'/0/0, m/44'/60'/2'/0/0...
    – Morten
    Oct 3 '20 at 22:24
  • No, is this standard practice to iterate the account index as opposed to address? I had not considered this- will give it a try. Thanks.
    – jimmy
    Oct 4 '20 at 2:39
  • Update- checked from 0-10 index for accounts. Still no luck.
    – jimmy
    Oct 4 '20 at 3:02

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