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Author Topic: Partial seed recovery  (Read 220 times)
BigFatYellowLion (OP)
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November 13, 2018, 08:34:06 PM
 #1

Hi All,

Apologize in advance if this is not the right forum to post this question.

I lost my Trazor + seed.
I remember the last 3 words of my seed.
How physible it is to be able to brute force the other missing words?

Thank you!
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Each block is stacked on top of the previous one. Adding another block to the top makes all lower blocks more difficult to remove: there is more "weight" above each block. A transaction in a block 6 blocks deep (6 confirmations) will be very difficult to remove.
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November 13, 2018, 08:37:56 PM
 #2

If it’s only three words you remember, I’d say that bitcoin is as good as gone.

There will be someone here with more knowledge to help you who knows of the bio39/44 derivation path however, I’d say from the start of it that you shouldn’t have much hope in getting those coins back as three words isn’t much to go on...
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November 13, 2018, 08:56:55 PM
 #3

Trezor uses 24 words by default. If you know only 3, there's no chance of recovery.
Electrum uses 12 words, and that too can't be brute-forced. Each additional word adds 2048 possibilities, 2048^21 is impossible.


If there's no way to recover your seed words, your only chance is to find back your Trezor.

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November 14, 2018, 01:13:24 AM
Merited by achow101 (4), ABCbits (1)
 #4

2048^21 is impossible.

If one had a super fast GPU/FPGA rig, say 600MH/S, and assuming one potential combination equals one hash, by my calculations it should take 1.823e+53 years.  I don't know how much value the OP had stored in the Trezor, but the cost of running that server for that long might not be a financially sound decision.  And then there's the pesky theory that the sun will swallow the earth in a mere 4 billion years.

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November 14, 2018, 09:29:56 AM
 #5

Sorry for your loss OP. If bruteforcing a hardware wallet were so easy no one would be using them in the first place.

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