x11 that shit, make it short PoW with high block reward/low total supply, and keep a great featurelist tightly under wraps, to be revealed only in the final blocks of PoW.
I can understand X11 it's very available and efficient. But why short PoW?
Short PoW creates excitement around those late to the party. It does risk early miners dumping but if you can get a fun involvement engine going (like WTF or NOPE did) you can create enough post-PoW buy support to smooth out distribution from miners to those wanting to hold.
UTIL did this really well. (though it was also pumped by a group)
Don't make the pow to short. It doesn't have to be years and years but make it more than a week. Otherwise how could it truly be for miners?