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What is DeFi? Complete Guide

What is DeFi?
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What is DeFi?
DeFi is short for “decentralized finance,” an umbrella term for a variety of financial applications in cryptocurrency or blockchain geared toward disrupting financial intermediaries.

decentralized Finance (DeFi), draws inspiration from blockchain, the technology behind the digital currency bitcoin, which allows several entities to hold a copy of a history of transactions, meaning it isn’t controlled by a single, central source. That’s important because centralized systems and human gatekeepers can limit the speed and sophistication of transactions while offering users less direct control over their money. DeFi is distinct because it expands the use of blockchain from simple value transfer to more complex financial use cases.

Bitcoin and many other digital-native assets stand out from legacy digital payment methods, such as those run by Visa and PayPal, in that they remove all middlemen from transactions. When you pay with a credit card for coffee at a cafe, a financial institution sits between you and the business, with control over the transaction, retaining the authority to stop or pause it and record it in its private ledger. With bitcoin, those institutions are cut out of the picture.

Ethereum applications

Most applications that call themselves “DeFi” are built on top of Ethereum, the world’s second-largest cryptocurrency platform, which sets itself apart from the Bitcoin platform in that it’s easier to use to build other types of decentralized applications beyond simple transactions. These more complex financial use cases were even highlighted by Ethereum creator Vitalik Buterin back in 2013 in the original Ethereum white paper.

That’s because of Ethereum’s platform for smart contracts – which automatically execute transactions if certain conditions are met – offers much more flexibility. Ethereum programming languages, such as Solidity, are specifically designed for creating and deploying such smart contracts.

For example, say a user wants his or her money to be sent to a friend next Tuesday, but only if the temperature climbs above 90 degrees Fahrenheit according to weather.com. Such rules can be written in a smart contract.

With smart contracts at the core, dozens of DeFi applications are operating on Ethereum, some of which are explored below. Ethereum 2.0, a coming upgrade to Ethereum’s underlying network, could give these apps a boost by chipping away at Ethereum’s scalability issues.

The most popular types of DeFi applications include:

  • Decentralized exchanges (DEXs): Online exchanges help users exchange currencies for other currencies, whether U.S. dollars for bitcoin or ether for DAI. DEXs are a hot type of exchange, which connects users directly so they can trade cryptocurrencies with one another without trusting an intermediary with their money.
  • Stablecoins: A cryptocurrency that’s tied to an asset outside of cryptocurrency (the dollar or euro, for example) to stabilize the price.
  • Lending platforms: These platforms use smart contracts to replace intermediaries such as banks that manage lending in the middle.
  • “Wrapped” bitcoins (WBTC): A way of sending bitcoin to the Ethereum network so the bitcoin can be used directly in Ethereum’s DeFi system. WBTCs allow users to earn interest on the bitcoin they lend out via the decentralized lending platforms described above.
  • Prediction markets: Markets for betting on the outcome of future events, such as elections. The goal of DeFi versions of prediction markets is to offer the same functionality but without intermediaries.

In addition to these apps, new DeFi concepts have sprung up around them:

  • Yield farming: For knowledgeable traders who are willing to take on risk, there’s yield farming, where users scan through various DeFi tokens in search of opportunities for larger returns.
  • Liquidity mining: When DeFi applications entice users to their platform by giving them free tokens. This has been the buzziest form of yield farming yet.
  • Composability: DeFi apps are open source, meaning the code behind them is public for anyone to view. As such, these apps can be used to “compose” new apps with the code as building blocks.
  • Money legos: Putting the concept “composability” another way, DeFi apps are like Legos, the toy blocks children click together to construct buildings, vehicles and so on. DeFi apps can be similarly snapped together like “money legos” to build new financial products.
  • Smart Contracts:  They are what make the Ethereum Network unique. A “smart contract” is just a program that runs on the Ethereum blockchain. It’s a collection of code (its functions) and data (its state) that resides at a specific address on the Ethereum blockchain. 
  • Decentralized Applications (Dapps): A DApp (DAppdAppDapp, or dapp) is a software application that runs on a distributed peer-to-peer network instead of being hosted on a centralized server. DApps can be like any other application that you can access using a web browser and have been popularized by distributed ledger technologies (DLT) such as the Ethereum Blockchain, where DApps are often referred to as smart contracts
READ more:  Know what is Binance Exchange and how to use it
What is DeFi?

Lending platforms

Lending markets are one popular form of DeFi, which connects borrowers to lenders of cryptocurrencies.  One popular platform, Compound, allows users to borrow cryptocurrencies or offer their own loans. Users can make money off of interest for lending out their money. Compound sets the interest rates algorithmically, so if there’s higher demand to borrow a cryptocurrency, the interest rates will be pushed higher.

DeFi lending is collateral-based, meaning in order to take out a loan, a user needs to put up collateral – often ether, the token that powers Ethereum. That means users don’t give out their identity or associated credit score to take out a loan, which is how normal, non-DeFi loans operate.

Stablecoins

Another form of DeFi is the stablecoin. Cryptocurrencies often experience sharper price fluctuations than fiat, which isn’t a good quality for people who want to know how much their money will be worth a week from now. Stablecoins peg cryptocurrencies to non-cryptocurrencies, such as the U.S. dollar, in order to keep the price under control. As the name implies, stablecoins aim to bring price “stability.”

Prediction markets

One of the oldest DeFi applications living on Ethereum is a so-called “prediction market,” where users bet on the outcome of some event, such as “Will Donald Trump win the 2020 presidential election?”  

The goal of the participants is, obviously, to make money, though prediction markets can sometimes better predict outcomes than conventional methods, like polling. Centralized prediction markets with good track records in this regard include Intrade and PredictIt. DeFi has the potential to boost interest in prediction markets, since they are traditionally frowned upon by governments and often shut down when run in a centralized manner.

DeFi FAQ

How do I make money with DeFi?

The value locked up in Ethereum DeFi projects has been exploding, with many users reportedly making a lot of money.

Using Ethereum-based lending apps, as mentioned above, users can generate “passive income” by loaning out their money and generating interest from the loans.  Yield farming, described above, has the potential for even larger returns, but with larger risk. It allows for users to leverage the lending aspect of DeFi to put their crypto assets to work generating the best possible returns. However, these systems tend to be complex and often lack transparency.

READ more:  What are Cryptocurrency Exchanges? Complete Guide

Is investing in DeFi safe?

No, it’s risky. Many believe DeFi is the future of finance and that investing in the disruptive technology early could lead to massive gains.

But it’s difficult for newcomers to separate the good projects from the bad. And, there has been plenty of bad.

As DeFi has increased in activity and popularity through 2020, many DeFi applications, such as meme coin YAM, have crashed and burned, sending the market capitalization from $60 million to $0 in 35 minutes. Other DeFi projects, including Hotdog and Pizza, faced the same fate, and many investors lost a lot of money.

In addition, DeFi bugs are unfortunately still very common. Smart contracts are powerful, but they can’t be changed once the rules are baked into the protocol, which often makes bugs permanent and thus increasing risk.

When will DeFi go mainstream?

While more and more people are being drawn to these DeFi applications, it’s hard to say where they’ll go. Much of that depends on who finds them useful and why. Many believe various DeFi projects have the potential to become the next Robinhood, drawing in hordes of new users by making financial applications more inclusive and open to those who don’t traditionally have access to such platforms.

This financial technology is new, experimental and isn’t without problems, especially with regard to security or scalability.

Developers hope to eventually rectify these problems. Ethereum 2.0 could tackle scalability concerns through a concept known as sharding, a way of splitting the underlying database into smaller pieces that are more manageable for individual users to run.

How will Ethereum 2.0 impact DeFi?

Ethereum 2.0 isn’t a panacea for all of DeFi’s issues, but it’s a start. Other protocols such as Raiden and TrueBit are also in the works to further tackle Ethereum’s scalability issues. 

If and when these solutions fall into place, Ethereum’s DeFi experiments will have an even better chance of becoming real products, potentially even going mainstream.

Bitcoin as DeFi

While Ethereum is top dog in the DeFi world, many proponents of Bitcoin share the goal of cutting the middleman out of more complex financial transactions, and they’ve developed ways to do so using the Bitcoin protocol.

Companies such as DG Labs and Suredbits, for instance, are working on a Bitcoin DeFi technology called discreet log contracts (DLC). DLC offers a way to execute more complex financial contracts, such as derivatives, with the help of Bitcoin. One use case of DLC is to pay out bitcoin to someone only if certain future conditions are met, say if the Chicago White Sox team wins its next baseball game, the money will be dispensed to the winner.

Originally Posted on Coindesk


Check our other “Complete Guides:

What is Cryptocurrency?
What is Blockchain?
What is Bitcoin?
What is Ethereum?
What is DeFi?
What are smart contracts?

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The information expressed in this article is solely those of the author and do not necessarily reflect the vies of CryptoDeFinance.  Each and every investment and trading move involves high risk. You should always conduct your own research when making a decision in crypto investment.
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Ana Teixeira

Hi! I am Ana and I am a crypto enthusiast. Enjoy my articles, share them and don't forget to drop a comment. If you like us and our news, share the posts and comment. Your visit and interaction is very important to us.
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[…] is Cryptocurrency?What is Blockchain?What is Bitcoin?What is Ethereum?What is DeFi?What are smart […]

[…] be able to see the animated series, in the first instance you must buy ether (ETH), Ethereum’s native cryptocurrency, then it must be sent to a non-custodial wallet that is compatible with […]

[…] is Cryptocurrency?What is Blockchain?What is Bitcoin?What is Ethereum?What is DeFi?What are smart […]

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