Kryptonite was removed on 2014/08/12 because it has very little exchange volume.

How to CPU mine X11 algorithm coins.

Technical Information
Release Date: 2014/05/24
Algorithm: X11
Total supply: 50,000,000
Premine: 0.5%
Block Time: 0.5 minutes
Block Reward: 1-15, changing over time
Difficulty Retarget: Every block using DGW3

Websites
Website
Announcement Thread
Forum
Block Explorer
Source

GPU Advantage Calcs
AMD FX-8320 using Elmad’s CPU-Miner v(1.3) = 458kh/s
R9 280x (average from here) = 4.2mh/s
Advantage = 9.2