Then why aren't you "quickly" solving the famous puzzle to claim the reward? The search space for the key there is smaller than the search space OP has.
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Becouse I can't : I do not know the partial WIF , if you know please share, and seconds there is only one output.
This is why I can't solve the famous puzzle. if you know math you should known that.
NotAtether:
you wrote: we all know that quantum computers will be able to defeat ECDSA, NO! , it is impossible. maybe in next thousend year.