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Certainly parameters such as account-age wont be affected by peer to peer vote.

Also if REP value increases it should mean that an attack on sucha a chain would be more costly.

The cost calculation for the current hostile takeover was pretty simple. A good REDPOS implementation should turn a hostile takeover cost calculation into a more complex task.

anonymous (to avoid vote wars) peer to peer vote can also be included in a reputation system. i will adjust this https://steempeak.com/blockchain/@atma.love/re-argsolver-q7d1u0
thanks