transparent forging isn't a magic silver bullet. I think it doesn't solve much.
My understanding is that only the predicting part is implemented, but they don't do anything with that prediction... quoting this:
https://bitcointalk.org/index.php?topic=364218...but this can be counteracted by some mechanisms of advanced consensus (still not revealed)
I read "not revealed" as " not implemented". And even if implemented, I'm attacking with 2% of the stake: I don't need to skip blocks. The analysis on that post doesn't apply to my attack.