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Now at blockchain.info wallet I did backup my pass phrase. But I have no idea what my private key(s) are. There is no export that I can find. I understand there used to be.
If blockchain.info goes out of business, can I use my pass phrase to gain access to my funds from another wallet?
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The answer is yes, I can access my funds using only my pass phrase.
Mycelium, for example, when installed, comes up and asks if I want to restore a wallet from a 12-word passphrase, which is what blockchain.info created.
It then found my funds and will allow me to send / receive.
I have since learned that the pass phrase is just used to generate the private key using the SHA-256 hash algorithm.
The passphrase is actually used as the salt in hmac-sha512 (BIP39) – Wizard Of Ozzie – 2016-08-12T00:43:43.330
@WizardOfOzzie, I'll research that and correct my answer. Thanks! – toddmo – 2016-08-15T16:06:05.350
Can you clarify the part where you say there's no export option? (Screenshot, ideally) – Wizard Of Ozzie – 2016-08-06T07:05:49.567
@WizardOfOzzie, done. personal info cut out. There is no export functionality any more in blockchain.info – toddmo – 2016-08-07T21:27:56.697
Oh of course. I'd forgotten the v2 wallet was the default. – Wizard Of Ozzie – 2016-08-12T00:42:00.987