Airdrop use to be something very special in the late 2016 to the first quarter of 2018 whereby what you are promised are what you receive in value but presently you should expect $0.01 value from an airdrop that promised $10 because the value disappear when the project is listed in an exchange.
The value of the coin is disappearing because we don't see any specified developments from the team, even though we kept asking about the developments means they will block the people in telegram channels. Most of the companies are cheating the people in order to collect money and hiding without any developments.