Judging by the offers, keys are usually sold as official activations with instant delivery and region binding. This means you're technically getting a licensed product, but regional restrictions and return policies still remain an important factor. Most third-party sellers don't offer a full refund, unlike the
Crimson Desert steam key where refunds are possible subject to game launch and time restrictions. Finally, it's worth considering that the project is still at the stage of active interest and demand, so prices and key availability can fluctuate dramatically.