“It’s a way to say thanks to all backers of the project. Crow Appreciation Rewards will be rolling out to all backers beginning February 24 (when the first reward can be earned) and then the 24th day of every subsequent month right up to launch. These are in-game rewards that will be an entitlement to each backer’s account and claimable at launch.”
“These monthly rewards will be given to all backers who have a pledge package/starter pack, including newly-purchased starter packs, you have to be a backer by 11:59 PM CST//5:59 AM GMT on the 24th of the month.”
Content retrieved from: https://www.mmorpg.com/crowfall/news/crow-appreciation-rewards-come-to-crowfall-1000055379.