If you'd like to participate Solana token airdrop, such as below
https://twitter.com/CoinKermit/status/1395288780756508673?s=19
You can follow below steps in MathWallet Chrome extension.
1 Install MathWallet Chrome extension
https://mathwallet.org/
2 Create Solana Wallet in MathWallet Chrome extension
https://blog.mathwallet.org/?p=2345
3 You need deposit some SOL to the SOL address
4 Click 'Add Token' and select the token you need to mint
5 Confirm the popup and sign the transaction. You need to pay a very small amount of SOL as fee.
6 Then you need to wait 1 min for the transaction to complete. After that you will find you minted address for the token selected which is different from the SOL address.