I've just seen some secondhand updates pointing out that the blockchain has not been affected, which is based on speculation. I've also been using http://isitdownrightnow.com/steemit.com.html , which will give you the current status of the site (not controlled by steemit, but just a server check). There have been a few updates on 10/7 and 10/9 regarding the issues on:
https://twitter.com/steemit?lang=en
but my fingers are crossed that we'll get some updates soon about the last few days. I haven't seen anything on there yet.