Topic: [Open Source] Coin Flipped Seed (coin flip, dice roll, rubik's cube mixing) - page 2. (Read 505 times)

How could this be done with a dice? I guess by representing every dice result to binary. I don't know if this is a solution, mainly because 128 isn't divisible with 3. (128/3 = 42.66)
Dice results in binary:

Assuming that your results are "1" 42 times on row, then you'd get:
Which is 126 bits. Sure, the computer could generate randomly the two remaining bits, but it ruins the purpose of this software. The other, better, solution is to differentiate 1-3 and 4-6 as ones and zeroes for the last two bits. I'm not sure, but I think that this isn't that strong since "000" and "111" can't be inserted (that easily). If you've found a way to achieve this theoretically, by having the same strength with the coin, tell me and I'll implement it.

Edit: This can't work since 128 ones or 128 zeroes will never come up.

I understand that anyone who would try a newly written software would be afraid of these reasons. Yes, I said newly written. You would never do that on electrum. Instead, you'd use electrum to confirm that my software works properly.

That's okay, where there are bitcoins, there should always be a double-check of the funds' safety with the older programs that have gained the users' trust. I'll answer to both of your questions, even if I don't tend to use this phrase when I want to convince someone:  The software is open-source and simple. Everyone is allowed to read it and judge it. I'm using the popular NBitcoin C# library, which has been used in the past for a lot of bitcoin applications. Focus on "simple". My code is literally only 174 lines long. I didn't intend to attract those that have no experience on coding, but even those can understand that the private keys generated derived by Coin Flipped Seed aren't compromised.

Well, iancoleman surely provides better functionalities than my newly written program. I may add such features in the future, although I doubt. I don't compete ian. Sure, implementing an app that is useful is a pleasure, but even if it's not that useful, it was fun doin' it.  

Nice, thanks for sharing.. but why not using Bip39Tool? https://iancoleman.io/bip39/

- if you tick "Show entropy details" you can input your own entropy in many ways
- you can choose many derivation paths
- QR generation
- fully auditable (you can download sources from github and use it offline after compiling)
- hashed releases: for each new version, the author publishes the compiled page hash on twitter (so a different medium, an attacker has compromise two different platforms accounts to forge a fake release)

I don't want to devalue your software but I have thought it's important for you (and us ) to know about others as well

best regards

EDIT
LoyceV stressed the importance of double checking with different softwares ....Got it... so my two cents for a mixed use with Bip39Tool (I'm not linked with BIP39Tool, I just honestly think it's a very good product)

I've often thought about creating my own seed from dice or coins, but never done it. I tried to find a list with 2048 seed words with binary numbers, but found Learnmeabitcoin.com instead.
If I'd really use this, I would like to use more than one piece of software to check if it gives the same results. The seed words I can check manually, but not the address derivation. I'd want to check this for 2 reasons:

• Can a different piece of software recover the same private keys?
• Am I sure this software doesn't just give me pre-created compromised private keys that aren't derived from my seed?

So far, all my tests with recovering private keys worked as expected. It's comforting to know my thorough checks weren't needed (but I'll keep doing it anyway).

The usual disclaimer: don't use any online site to create private keys for storing real coins!