Board Thread:Questions and Answers Forum/@comment-25431037-20140919134655/@comment-160529-20140919142226

Marks and reputationare different things, basically reputation is the level of regard that faction has for you and marks are the currency of that faction.

You get vanguard reputation/marks from doing patrol missions and strikes.

Crucible you get from doing multiplayer...

As for the individual factions such as New Monarchy, Dead Orbit, and the Future War Cult (there is more on the way I think, and hopefully they will open up more areas of the tower soon)

You have to wear their factionaesthetic equipment, and do multiplayer wearing their equipment. Bonds for warlocks, capes for hunters, sash thingies for titans...

When you do this, you do not lose reputation with any other faction... your vanguard marks are not pointless, andthey never will be pointless. Vanguard and Crucible are different from the other factions anyways as they are not actually politicalentities but represent parts of the guardians as a whole.