I just came here after reading this http://rajeshanbiah.blogspot.com/2018/01/technology-prediction-for-2018.html http://rajeshanbiah.blogspot.com/2018/01/techno

I just came here after reading this http://rajeshanbiah.blogspot.com/2018/01/technology-prediction-for-2018.html http://rajeshanbiah.blogspot.com/2018/01/technology-predicti... article. It suggests PGP for immutable database.