TRX refers to TRON, a cryptocurrency and blockchain-based platform. TRX is the native token of the TRON network and is used to power the network, including its decentralized applications (dApps) and smart contracts. It can also be used to create other tokens on the TRON blockchain, similar to Ethereum's ERC-20 tokens.

TRX is used for various functions, including covering transaction fees, especially when bandwidth is insufficient. It also facilitates payments for services and goods on the TRON network. $TRX