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How can a 128-bit sequence be more secure than a 256-bit sequence?
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The key you’re going to use is 128-bit.
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Hm, can you expand on it?
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I’m not a cryptographer but my understanding is your actual bitcoin private key is 128-bits. So using a 24 word phrase that generates a 128-bit key anyway is unnecessary complexity.
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The amount of words are dependent on the amount of bit-chunks: for each 11-bit chunk, a corresponding word is selected.
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Glean from this what you will.
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Defies logic.
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I saw this debate on twitter. People with more technical knowledge than I seem to assert 12 is as safe as 24.