Hiding private keys in public
469 sats \ 9 comments \ @3316e3696d 29 Mar bitcoin
Hoping someone might be able to correct me, I was looking at a SATSCARD and noticed this in the FAQ
At the factory, we use the Bitcoin block hash of a recent block as the chain code; this is also unpredictable since it's a product of the Bitcoin mining process.
It seems like that would enable the manufacturer to just recreate private keys because even though block hashes are random they're also public?
This got me thinking about using something you can find as a brainwallet, how hard would it be to write a script that could check if each blockhash has public addresses derived from it?
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245 sats \ 3 replies \ @DarthCoin 29 Mar
Hiding keys in plain sight.. I explained in this guide some methods to that, like steganography, open letters, encrypted public notes etc https://darth-coin.github.io/beginner/be-your-own-bank-en.html
You just have to use a bit more your imagination and there are many ways to hide it. Even in that guide maybe I put 12 words in a specific position, in a specific order and could be the seed of a wallet.
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21 sats \ 0 replies \ @flat24 29 Mar
This is one of the best guides I have ever read... Great rabbit hole I opened when I discovered your work, thank you, I'm still learning
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10 sats \ 0 replies \ @DiedOnTitan 30 Mar
Is this an Easter Egg challenge? Timing is right (tomorrow is Easter).
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0 sats \ 0 replies \ @bc52210b20 30 Mar
Hiding BIP-39 Seed Phrase in public Simple, I have several Bibles with (you could use your own religious book) underline words and sentences that only I have the repeat pattern based on my favorite number.
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0 sats \ 0 replies \ @bc52210b20 30 Mar
Simple I have several Bibles with (you could use your own religious book) underline words and sentences that only I have the repeat pattern based on my favorite number.
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0 sats \ 3 replies \ @joda 29 Mar
It's just one part of the entropy, like you can use a personal photo to create entropy. You still add more randomness.
Because some people don't trust entropy created purely by a chip.
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58 sats \ 2 replies \ @davidw 29 Mar
Whatever you do, don't use your brain to generate 'randomness'. This post on perceived human randomness is startling - #484683
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0 sats \ 0 replies \ @1GLENCoop 30 Mar
Holy. I zapped ya 37 sats for that one.
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0 sats \ 0 replies \ @joda 30 Mar
Indeed. It's so very "human" to try to "outsmart" the work of decades of cryptography and computer science.
It's hard to believe that there's an "optimum" amount of randomness; that you can't just make more and more.
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