The answer to the question depends on what the token airdrop is for. If it is for a new cryptocurrency, then the token airdrop will be determined by the project team behind the cryptocurrency. They will decide when the airdrop will take place and how many tokens will be distributed. If it is for an existing cryptocurrency, then the token airdrop will be determined by the project team behind the cryptocurrency, as well as the exchange or platform where the airdrop will take place. The project team will decide when the airdrop will take place and how many tokens will be distributed. The exchange or platform will also determine the rules for participating in the airdrop. For example, some exchanges may require users to hold a certain amount of the cryptocurrency before they can participate in the airdrop. As of now, there is no information about a token airdrop for 2021, so it is uncertain if there will be one.