Crypto exchanges and wallets have become powerful tools for generating online income. Beyond simple trading, users can earn through spot and derivatives markets, staking, long‑term holding, liquidity provision, referral programs, and airdrop‑oriented activity in DeFi. Selecting a suitable mix of these options depends on your knowledge and risk appetite. However, no strategy works without solid security, including 2FA, secure wallets, offline storage of keys, and cautious interaction with unkn...