Decentralised finance (DeFi), an emerging financial technology that aims to remove intermediaries in financial transactions, has opened multiple avenues of revenue for investors. Yield farming is one such investment strategy in DeFi. It involves lending or staking your cryptocurrency coins or tokens to obtain rewards in the form of transaction fees or interest. This is somewhat just like earning interest from a banking account; you're technically lending money for the bank. Only yield farming could be riskier, volatile, and complicated unlike putting profit a financial institution.
2021 has changed into a boom-year for DeFi. The DeFi market grows so quickly, and it's really even hard to follow all the changes.
Why is DeFi so special? Crypto market gives a great opportunity to make better money in several ways: decentralized exchanges, yield aggregators, credit services, and even insurance - you can deposit your tokens in all of the these projects and acquire an incentive.
However the hottest money-making trend have their tricks. New DeFi projects are launching everyday, rates of interest are changing all the time, some of the pools disappear - and a huge headache to maintain a record of it however, you should to.
But note that committing to DeFi can be dangerous: impermanent losses, project hackings, Oracle bugs and also volatility of cryptocurrencies - these are the problems DeFi yield farmers face constantly. 
Holders of cryptocurrency possess a choice between leaving their idle within a wallet or locking the funds in a smart contract as a way to give rise to liquidity. The liquidity thus provided enables you to fuel token swaps on decentralised exchanges like Uniswap and Balancer, or to facilitate borrowing and lending activity in platforms like Compound or Aave.
Yield farming it's essentially the practice of token holders finding methods for using their assets to earn returns. For a way the assets are utilized, the returns usually takes many forms. For instance, by being liquidity providers in Uniswap, a ‘farmer’ can earn returns available as a share from the trading fees each and every time some agent swaps tokens. Alternatively, depositing the tokens in Compound earns interest, because these tokens are lent over to a borrower who pays interest.
Further potential
Though the possibility of earning rewards will not end there. Some platforms provide additional tokens to incentivise desirable activities. These extra tokens are mined by the platform to reward users; consequently, this practice is called liquidity mining. So, as an example, Compound may reward users who lend or borrow certain assets on the platform with COMP tokens, what are the Compound governance tokens. A lending institution, then, not just earns interest but additionally, furthermore, may earn COMP tokens. Similarly, a borrower’s interest payments could be offset by COMP receipts from liquidity mining. Sometimes, including in the event the valuation on COMP tokens is rapidly rising, the returns from liquidity mining can a lot more than make up for the borrowing interest rate that you will find paid.
For those who are prepared to take additional risk, you can find another feature that allows a lot more earning potential: leverage. Leverage occurs, essentially, if you borrow to invest; as an illustration, you borrow funds from the bank to invest in stocks. Poor yield farming, among how leverage is done is you borrow, say, DAI in a platform for example Maker or Compound, then utilize borrowed funds as collateral for additional borrowings, and do it again. Liquidity mining may make mtss is a lucrative strategy if the tokens being distributed are rapidly rising in value. There is certainly, obviously, the danger this does not occur or that volatility causes adverse price movements, which would bring about leverage amplifying losses.
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