I'm more immediately concerned about this double-spending attack that was linked to in the thread: https://bitcointalk.org/index.php?topic=327767.0 https://bitc

I'm more immediately concerned about this double-spending attack that was linked to in the thread: https://bitcointalk.org/index.php?topic=327767.0 https://bitcointalk.org/index.php?topic=327767.0