Can anyone provide a TLDR? All I can see in the conclusion is: "We expect to develop a prototype of a blockchain-based system with the raffle protocol in the n

Can anyone provide a TLDR? All I can see in the conclusion is: "We expect to develop a prototype of a blockchain-based system with the raffle protocol in the near future.". So their alternative to reaching consensus is a raffle protocol? And in raffle protocol section I read "among a set of eligible agents" and "relying on a trusted “global clock” service". Seems quite centralized if you ask me.