[jacoblyles]

PPC has better features than BTC, but people haven't heard of it yet[1]. That said, BTC may win by being "good enough" and having a strong network effect.

[1] http://www.ppcoin.org/static/ppcoin-paper.pdf

[jaekwon]

I would argue that PPC does not have better features than BTC. But yes, either way, BTC for now is good enough.