what about the second voting in your proposal? are they protected against sibyl attack?
The first voting is to determine the right to generate the next block.
The second voitng is to determine the main branch from different forks.
About the previous question, maybe I misunderstood you.
The "Confirms" you mentioned should not be "votes" from stakeholders. Sorry about that.
Anyone can provide many confirms to those signals, but he can't fake the fastest confirm to most of them, because the network latency and the physical distance between nodes.