In modern discussions about transhumanism and the posthuman, the key question is hidden in the depths of the essential ontological and existential foundations of human/posthuman being. The dream cherished by transhumanists of replacing the "flawed" human existence (with all the host of existential problems) with a new body/essence is inextricably linked with the "negative" existentials-fear, death and loneliness. The authors believe that the posthuman, deprived of the "dimensional-human world', inevitably loses subjectivity through a series of new forms of man planned by the supporters of the singularity, bringing him closer to the post- and superhuman.