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I gathered that Blockchain switched to new-style HD wallets sometime in 2016. At that time they used to have logins for both new-style and legacy wallet IDs. They no longer support logins with legacy wallet ID.

I have:

  1. legacy username
  2. 15-word mnemonic
  3. passphrase (verified, 15-word mnemonic results in this passphrase using this tool).

Here is the message I get:

Password: superSecret123

Password not working? It may have been changed since the time the wallet was created or a browser error. Please contact the help desk with your wallet recover mnemonic to have a backup restored from an earlier date.

Locked out due to two factor authentication? Please use the following link to reset two factor authentication: Two Factor Authentication Reset

Blockchain's wallet id/password recovery tools do not work with legacy wallets (this makes sense: how can they send me the new wallet ID if I never had one?)

Their "industry leading" support is not responding. I bet they are swamped with requests like this. Is there a way to convert legacy wallet to new-style wallet given the information listed above?

marked as duplicate by Chak, Adam Millerchip, Andrew Chow Dec 20 '17 at 16:32

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  • Didn't you recovered a wallet-id and a passphrase at step 3.? – Chak Dec 19 '17 at 18:34
  • @Chak: no. I was able to verify that 15-word mnemonic produces the passphrase that I already have. It does not produce wallet ID. – user443854 Dec 19 '17 at 19:30
  • That's weird, it is supposed to recover both wallet-id and passphrase. You better ask blockchain's support, – Chak Dec 19 '17 at 20:41
  • I recovered the funds. The only way to do that was by talking to blockchain.info support. They were able to provide the new-style HD wallet-ID. @Chak, I am not sure why you and others think this question is a duplicate, as it deals with wallet-ID recovery given blockchain.info's legacy mnemonic. – user443854 Dec 20 '17 at 17:38