I don’t think a Sybil attack will work on a Staking network since the leader is known and a MITM can’t broadcast a block without the leader’s key. The only thin

I don’t think a Sybil attack will work on a Staking network since the leader is known and a MITM can’t broadcast a block without the leader’s key. The only think they can do is take them off line to prevent a solved block from getting sent to the network, but that problem exists without taking into account Sybil attacks