The help for solana-keygen grind says that the --num-threads option can be used to increase the number of threads. I imagine this is referring to CPU threads. Is there a way to make this work to use a GPU or a similar solution that uses a GPU to achieve faster results?
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1 Answer
Unfortunately, solana-keygen grind is not making use of a GPU.
A Solana keypair is just an Ed25519 keypair, though.
There are few repos out there that can grind for Ed25519 keypairs using a GPU. You might want to try this one here.
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They have a warning, "It does not currently use a CSPRNG and any key generated by this tool is 100% not secure to use." Any thoughts on how practical that warning is? What makes it less safe than
solana-keygen grind? I presumesolana-keygenuses a CSPRNG?– OCDevCommented Aug 21, 2022 at 13:11 -
The solanity repo says that it uses OS entropy to make it not deterministic. I suppose because that is not considered "perfect", they issue an academically proper warning that something slightly less than perfect non-determinism about OS entropy might allow someone to replay the exact grind and reproduce the keypair easier? It sounds like we're talking about an event that only happens once in a trillion universes and making it much more likely: an event that only happens once in a million universes. Is that what we're talking about here? If that's the case, I'm not going to worry. Thoughts?– OCDevCommented Aug 21, 2022 at 17:22
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1The original repo chorus-one/solanity had that warning because it's deterministic. That's why mcf-rocks/solanity added some entropy, and my understanding is that it is now a CSPRNG. But they don't give any guarantees and neither do I, of course. I think you will need to do your own research here if your life depends on it. Commented Aug 21, 2022 at 21:50