burn it
Remember that some people still didn't swap their BTCD to KMD and letting the coin die is against their 1 Year rule. I find it really unnecessary to burn them.
How do we ensure we control our KMD address? My KMD show when I login to the ICO site, do I also need to download the wallet? I've been waiting for bugs to be figured out... I would like to ensure I'm able to receive JUMBLR.