Bruteforce challenge
Prize address : 1BruteopBTDETyHHvPhqAVVMatnfLEojWh (15 mBTC)
Reddit link
-----BEGIN BITCOIN SIGNED MESSAGE-----
This puzzle is a pure bruteforce challenge.
Here is your private key:
L17?ArSK??e?35f?GjDcDQ4E8??MzYRF5J3FHh?AiM5J?x??????
What? 15 missing characters, that's 58^15 possibilities!
Are you crazy arpox?
No, it's definitely possible to bruteforce this private key
without spending more electricity than the prize of this puzzle.
But it's a really hard challenge!
-----BEGIN SIGNATURE-----
1BruteopBTDETyHHvPhqAVVMatnfLEojWh
H4rpIKBTUIQBKloMKeuCBK++TjzRKfZk3bXFCDEfaVwKK4p3d57/VLI2WRLyCInR0Nk2fKuiAbr+t1E3gjM72Qs=
-----END BITCOIN SIGNED MESSAGE-----