3 ms·
It's not possible to orphan blocks that are already in the chain you confirmed, as that's a contradictory vote. So at best one generator could orphan a few bloc
by nootropicat 8y ago
It's not possible to orphan blocks that are already in the chain you confirmed, as that's a contradictory vote. So at best one generator could orphan a few blocks, but then, what if the next block generator doesn't ignore them? Anything longer than a few blocks would require cooperation among majority and that's a failure mode in PoW too.
- DINKDINK 8y ago>It's not possible to[...] Because there is no time-value trade off associated with delaying block create in PoS you can play games in the interim period of time. In PoW you pay a penalty for not building on a block. PoS basically tells network participants that there is 0 cost to not building on a block. See the lecture: Formal Barriers to Proof-of-Stake Protocols[1] for other failings of PoS. [1] https://www.youtube.com/watch?v=PGrWGMRbdvw https://www.youtube.com/watch?v=PGrWGMRbdvw