Not much and even the part that I know isn't well established, I only saw the telegram picture from the URI/UBI post and people saying that steemit 2.0 would have it... still no clear news of what it's going to be

From the post:

Dan has said you would only need to put your picture and a name on the chain for “Proof Of Life” you are not going to put your finger print, DNA sample, Retina and bio-metric information on block chain.