Researchers have also recently found a way to facilitate bio-computers, as in: computers made out of some particular type of cells, which, connected in a particular way, are 1000's of times more efficient and capable than the silicium used today.

There was also a part that covered how organs could be changed with the above, and how a PoW and blockchain-type of architecture could be introduced which would enable the organ in question to constantly verify that it functions as it should, practically rendering it self-observing.

Hm, if only I had saved the article... Must've been something from scientias I think...