From server.cfg
MINING_BONUS = 3 //general multiplier on all mining
From customFactionConfig/FactionConfig.xml
<FactionSystemOwnerBonus> <BasicValues> <MiningBonusOwner>32</MiningBonusOwner> <MiningBonusOthers>6</MiningBonusOthers> <MiningBonusUnowned>3</MiningBonusUnowned> </BasicValues> </FactionSystemOwnerBonus>
When mining, multiple in-game players will retrieve 96x materials (as expected).
(thanks to @Brookens for the poke which led to this discovery)