TRX, the native cryptocurrency of the TRON blockchain, can be earned through various ways such as staking, participating in decentralized applications (DApps), or trading on cryptocurrency exchanges. Staking TRX involves securing the network and earning rewards for holding and validating transactions. Additionally, users can earn TRX by participating in liquidity pools, yield farming, or lending platforms within the TRON ecosystem. Engaging with various DeFi protocols and DApps built on TRON can also provide opportunities to earn TRX tokens.