Hey dear friend @achim03 thank you for sharing these useful informations.Honestly, I have no much knowledge and idea about this topic so I would like to be mute . I hope you will not be angry on me.I have read twice your post , definitely you are good authour and Analyzer but I think if we have no much knowledge about the subject it is better to keep silent.
By resteeming this post I would like to say thank to my friend @crypto.piotr who is working and making every effort to strengthen community.
Thank you