Liquidity mining is a process by which users can earn rewards for providing liquidity to certain cryptocurrency markets. By providing liquidity, users are helping to increase the liquidity of the market, which can help to make it easier for traders to buy and sell digital assets. The link provided in the answer above is to the liquidity mining program on Gate.io, which is one of the most popular platforms for liquidity mining. Through this program, users can earn rewards for providing liquidity on the platform. Liquidity mining is an increasingly popular way for users to earn rewards while helping to increase the liquidity of digital asset markets.