The second wrong conclusion: the pyramid has a centralized control and bitcoin is not. And bitcoin has control, only it is laid in the very beginning in the program, but nevertheless there is a beginning and some part of these bitcoins has settled with the creators, as is usually the case with the pyramid.
And the centralized and centralized management is all there ... And then Bitcoin is an accounting system, essentially meaningless, the availability of a record does not guarantee ownership.
Read next
From @le0nid