Rewarded will be

• active players
• successful players
• alliances that built and defend a wonder of the universe

There won't be instant upgrades or units purchases.

"will there be market to trade resources / fleets "

We are still thinking about a market for trading resources / fleets. We are not sure about that. But you can trade indirectly, that's not "illegal". You can definitely trade items and planets.

"How's the 30% income distributed ? by resource productions ? battle scores ?"

We'll announce that later.