To participate in a crypto airdrop, you need a wallet that supports the necessary network.
MetaMask is one of the most versatile options: it works with Ethereum, Arbitrum, Polygon, Optimism, and many others.
When creating a wallet, be sure to save your seed phrase offline. The best way is on paper or in a password manager. Do not store it in phone notes or on Google Drive.
For
Solana projects, use Phantom or Solflare, for the Aptos network — Petra Wallet. Make sure the wallet can connect to the necessary dApp.