Many cryptocurrency investors want to earn an annual return on their holdings, similar to the interest rates on a traditional savings account or certificate of deposit. Liquidity mining is one of the most popular methods to achieve this goal. With liquidity mining, you allow decentralized trading exchanges to use your crypto tokens as a source of liquidity. In return, you can earn double-digit or even triple-digit annual percentage yield (APY).
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What is Liquidity Mining?
In crypto liquidity mining, you earn rewards by letting a decentralized trading service do work on some of your cryptocurrency tokens. These tokens will facilitate seamless trading between anonymous crypto holders.
Liquidity mining explained
Let's start at the bottom and work our way up.
A decentralized exchange (DEX) like Uniswap (UNIVERSITY -1.27%) or SushiSwap (SUSHI 0.18%) allows buyers and sellers to connect and exchange various cryptocurrency tokens without the involvement of a third-party trading platform. This is done through smart contracts on a platform like Ethereum (ETH 0.02%) and Binance Coin (BNB 3.52%), never touch an external server or database.
Transactions made on these exchanges can be completely anonymous and never involve a for-profit intermediary such as a bank or financial services company. DEXes are considered a crucial component in truly decentralized finance (DeFi) systems.
DEX exchanges require capital to run their trading services. This is ensured by so-called liquidity pools in which investors can park their crypto assets in order to receive rewards in the form of crypto tokens or interest payments. The tied funds then serve as the lifeblood of the decentralized crypto exchange. Without this liquid base of digital capital, DEX trading systems would quickly come to a standstill.
The liquidity pools, in turn, require the participation of investors who are willing to lock their crypto tokens in exchange for rewards. The investments ultimately facilitate trading on the DEX platform. Parking tokens in a DEX liquidity pool to qualify for rewards is known as liquidity mining.
This is how liquidity mining works
Let's say you want to access a liquidity pool on Uniswap, the oldest and largest DEX. This will be a multi-step process involving several different mobile apps or websites.
First, you need to own some digital coins. In this example we are working with Ethereum and Tether (USDT 0.04%) stablecoin. In most cases, the coins you stake cannot be stored in the default wallet of your crypto trading service. Instead, they must be transferred to a self-custody wallet where you have direct control of the assets.
You then go to Uniswap's mobile app or browser-based portal to connect your wallet and add your tokens to the liquidity pool. Click the “Pool” button and then the “New Position” link, select the Uniswap trading pair you want and see how the rewards play out. Ethereum and Tether are one of the most popular pairings on Uniswap, so we choose these options.
You can choose one of several reward tiers tied to different interest rates charged to merchants who actually use the digital funds you provide. Very common cryptocurrencies and stablecoins typically tend towards the lower end of pool fees; Rare and exotic coins often incur higher fees.
So let's choose the medium fee tier of 0.3% like most Ethereum Tether liquidity miners on Uniswap do. This typically results in an APR in the range of 80% to 90%, although the exact value varies over time. What actually happens is that the group of liquidity miners can share the fees charged by traders on the DEX and the shared profit becomes larger as trading volume increases. Therefore, a lower fee can result in a higher payout if that particular tier is particularly active on the Uniswap trading platform. With a larger share of tied-up liquidity, you get a bigger piece of the overall pie.
Now it's finally time to select the amount of Ethereum you want to lock, which will automatically be matched with some Tether tokens. Both tokens must be in your wallet and the Tether to Ethereum ratio varies depending on the fee tier.
You collect your liquidity tokens, then sit back and wait for the rewards. Risky and unusual token pairs usually offer higher rewards, while a stablecoin pair can generate almost no rewards.
Advantages and disadvantages of liquidity mining
Liquidity mining can be a very lucrative investment as annual interest rates are often in the double or triple digit percentage range.
However, you can only achieve these excellent APRs if you take on significant risk. Higher returns are typically associated with pairings that include smaller crypto projects with short operating histories and limited market capitalization. Errors in the DEX system's smart contracts could also undermine or wipe out your profits, and significant price changes in one or both components of the crypto pair could also negatively impact your returns.
Liquidity pools can also be vulnerable to a unique type of fraud called a “rug pull.” Scammers are setting up a new cryptocurrency and pumping capital into the coin using DEX services. The promoter's quick investment drives up coin prices and inspires other investors to jump on the bandwagon. The liquidity pools that power these trades can grow to millions of dollars in less than a day, and then the fraudster withdraws the entire liquidity pool. The new project fails while the villains walk away with a hefty profit.
Given the large number of liquidity mining options, it can be difficult to find the right balance between risk and reward. There are multiple DEX platforms and hundreds of active currency pairs. There will likely be some trial and error with your first liquid mining investments. Cryptocurrencies are inherently volatile and you should be prepared for large price fluctuations on a daily basis. Your life savings probably don't belong in a high-yield liquidity mining account. This is a place for smaller investments.
Also, don't forget that activating or terminating a liquidity mining setup is a transaction on one of the major smart contract blockchains, where processing fees can make up a large portion of your investment returns.
Liquidity mining vs. yield farming
Yield farming is closely related to liquidity mining, but they are not the same. This is a broader strategy that leverages many different DeFi products to generate generous APY returns.
This can be done manually, but advanced investors can automate the process using smart contracts. Revenue farmers make investments in many types of interest-generating assets. These include crypto staking in proof-of-stake cryptocurrencies, lending or borrowing funds on various platforms, and adding liquidity to DEX platforms. Yes, liquidity mining is an important part of the yield farming strategy. The automated nature of yield farming provides a significant portion of DEX trading volume, resulting in higher liquidity rewards.
Related investment topics
Top liquidity mining pools
We've already looked at Uniswap, a market-leading DEX that runs on any blockchain network that can process Ethereum-compatible smart contracts. This sophisticated system was among the first decentralized exchanges, and many competitors began as clones of Uniswap's open source code. You can find pretty much any liquidity pool pair you want here, but the most popular pairs typically correspond to an Ethereum-like token and a stablecoin.
The SushiSwap DEX started as a Uniswap fork with additional features. The SushiSwap team aims to offer a wide range of financial services in the future, including trading stocks, futures and options. Currently, the platform offers liquidity mining yields comparable to Uniswap and an even larger catalog of token pairings.
Curve financing (CRV -1.25%) is a unique DEX with a liquidity pool based entirely on stablecoins. Annual returns are measured in the single-digit percentage range, but Curve is less volatile than Uniswap-based alternatives. When DeFi apps exchange dollar-based assets from one trading platform to another, they are likely using this stablecoin exchange platform.
Liquidity mining can play an important role in your financial life, but it is still a relatively risky idea while the fledgling crypto market is just taking shape. Double-digit returns sound too good to be true, and maybe they are. For a more cautious approach to the crypto sector, you could take a look at the best cryptocurrency stocks for 2022. Ultimately, buying great stocks and holding them for the long term remains the most sensible way to build life-changing wealth.
Anders Bylund has positions in Binance Coin and Ethereum. The Motley Fool has positions in and recommends Curve DAO Token, Ethereum, and Uniswap Protocol Token. The Motley Fool has a disclosure policy.
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