Show HN: A Bruteforcer in Go for WarpWallet's 10BTC Challenge

I built this while learning Go to try and crack WarpWallet's brain wallet protocol that uses key stretching using pbkdf2 and scrypt: https://keybase.io/warp (see The WarpWallet Challenge 2 at the bottom)

It looks like this isn't currently feasible, but it was a nice learning experience and it's cheaper than playing the lottery! Any feedback is appreciated.