What is LP token

You can provide liquidity to decentralized exchanges to earn transaction fees. Popular liquidity pools, such as the Ethereum-USDC liquidity pool on Uniswap, earn fees equivalent to about a 25% annual interest rate .

How to Create a Liquidity Pool

Each Uniswap liquidity pool is a trading venue for a pair of ERC20 tokens. When a pool contract is created, its balances of each token are 0; in order for the pool to begin facilitating trades, someone must seed it with an initial deposit of each token.