Discussion of off-line secure computing, paper wallets, backups etc are beyond the scope of this post. I am aware of what steps to take. I also give these steps a lot of attention.

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I would like to create a bitcoin address using dice. I don't want to trust software and/or hardware RNG. I don't want to memorize anything. Therefore, I don't think Diceware is appropriate. I also want to prove to myself that my manual RNG is good. I also want to minimize potential issues with the human factor (me). I want to keep things simple.

Should I roll the equivalent of 256 bits of entropy with a standard dice (# of rolls?), and sha256 hash it for the secret exponent? What is a secure method for generating the bitcoin address from there?

I would then import the private key into Bitcoin-QT for spending (out of scope).


1. Is this a good approach?

2. If I append "1", "2", "3" etc to the original series of rolls (seed).. does this constitute a "secure" method for generating a series of addresses?

I coded some python to turn any-sided dice into a full-strength private key, no hashes. The answer is it takes a LOT of dice rolling, less than 100 d6's is not a full-strength key....