> First, read this article: http://telegra.ph/Recovering-Bitcoin-private-keys-using-weak-signatures-from-the-blockchain-02-27
>
> Recovering private keys using weak signatures from the blockchain
> >>> Do not download this!
> Charging 0.05 btc for this simple js parser a joke :)
>
> He gave a nice description on this problem, it was not that hard to write this thing from scratch. And he is right, it works.
> You look for transactions containing input scripts, where the decoded r's of the extracted signatures are identical.
> After you extracted the private key from the applicable candidates, you can import the address into your favourite wallet
> and can spend the bitcoins, if there are some.
> For the script you need to set the time range to look for transactions, additionaly you can set a balance threshold for the ascertained adresses
> to filter out low balances. Successful search results are added to a .csv file, containing all data you need to import the adresses into a wallet.
> Depending on the time range, it could take quite some time - just let it run. But be sure, these weak signatures are not as rare as you might think.
> You can download mine for a much cheaper price here: https://satoshibox.com/b72qendky3s4nesvskx2264m
