Airdrops are high in risk some airdropped assets may be worthless and it is difficult to predict which projects will succeed early on. That you can search for hours and participate in airdrops only to discover that the price of the coin has dropped before you can sell it is not easy to get the right reward so the criteria needs to be fixed. Giving money or personal information to a fake site can also be dangerous, so it's best to follow the instructions before participating in any campaign