I erased about half of the private key to my ethereum wallet. I still have the entire public address that it needs to match. It was generated with myetherwallet and i no longer have the keystore.json file unfortunately. I have an AWS account and am wondering if GPU cracking from an instance there would be enough to find the missing 32 characters. If so, how would one go about using hashcat to find the missing characters? I see a lot of posts about recovering the password to the json file, but nothing about private key/wallet address use cases. Any help would be appreciated
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find missing characters from my private key
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05-31-2018, 06:24 PM
If there are 32 random characters missing, there is no way to bruteforce that space in our lifetimes.
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 (05-31-2018, 06:24 PM)royce Wrote: If there are 32 random characters missing, there is no way to bruteforce that space in our lifetimes. Thank you for the reply, although I was hoping I wouldn't hear that :/ if the missing 32 characters can only be abcdef1234567890 because it is hex (non case sensitive) will that narrow it down enough? (05-31-2018, 07:11 PM)burnt Wrote:(05-31-2018, 06:24 PM)royce Wrote: If there are 32 random characters missing, there is no way to bruteforce that space in our lifetimes. https://kb.myetherwallet.com/private-key...e-key.html Also I found this which I executed on a test wallet with my cpu. It took about 15 min, but only 3 characters were missing. If I could figure out how to get my GPU to do the processing for this script I think it may work within a reasonable amount of time. But I may be way off lol, I'm new 
05-31-2018, 08:21 PM
32 hex characters = 340282366920938463463374607431768211456 total different possibilities
There is no way to brute force that before our solar system is consumed by our sun.
05-31-2018, 08:57 PM
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