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What Is Decentralized Finance (DeFi)?How Does It Work?

In recent years, there has been a growing movement in the financial world toward decentralization. This trend has given rise to a new form of finance known as decentralized finance, or DeFi for short. In this blog post, we’ll take a look at what DeFi is and how it works.

What Is Decentralized Finance?

Decentralized finance (DeFi) is a financial technology that enables the exchange and management of digital assets in a decentralized manner. DeFi is built on the Ethereum blockchain and enables the creation of decentralized applications (dApps) that provide a wide range of financial services. These services include lending, borrowing, trading, and payments. DeFi is an emerging field of finance that has the potential to disrupt the traditional financial system. DeFi applications are built on the Ethereum blockchain and are open source, transparent, and accessible to anyone with an Internet connection.

The DeFi ecosystem is growing rapidly and is currently worth over $13 billion. The rapid growth of the DeFi ecosystem is due to the many advantages it offers over the traditional financial system, such as:

  • Openness: DeFi applications are open source and transparent. This allows for a level of accountability that is not present in the traditional financial system.
  • Accessibility: DeFi applications are accessible to anyone with an Internet connection. This makes DeFi applications accessible to a global audience.
  • Security: DeFi applications are built on the Ethereum blockchain, which is a secure and decentralized platform.
  • Innovation: DeFi applications are built on the Ethereum blockchain, which is a platform for innovation. DeFi applications are constantly evolving and improving.


Decentralized finance is a form of finance that is built on top of the Ethereum blockchain. DeFi applications are open source and permissionless, meaning that anyone can use them. Additionally, DeFi applications are trustless, meaning that you don’t have to trust any central authority with your money.

As it stands, Ethereum is the most popular blockchain for DeFi applications, with more than 54% of the total value locked in DeFi ($125.7 billion) on Ethereum. There are a few reasons for Ethereum’s dominant market share. First, Ethereum’s smart contract functionality enables more complex applications. Second, Ethereum’s ERC20 token standard makes it easier for new tokens to launch on Ethereum. Finally, Ethereum’s network effects make it more attractive for developers, users, and investors.

What is Centralized Finance?

In contrast to decentralized finance, centralized finance (or CeFi) is the traditional financial system that we have today. In the centralized financial system, there are central authorities that control the flow of money and make all the decisions. For example, banks are central institutions in the CeFi system.

Because CeFi applications are centrally controlled, they are not as trustless as DeFi applications. This means that you have to trust the central authority with your money.

Additionally, CeFi applications are not inter-compatible because each application is its own silo. This lack of interoperability is one of the key limitations of CeFi.

The most prominent example of centralized finance is the banking system. The banking system is a network of financial institutions that provide services to customers. The services provided by banks include lending money, issuing credit, and holding deposits. The banking system is regulated by the government to ensure that it functions properly and to protect consumers.

One flaw of this is that the centralized banking system can be used to promote the interests of the government or a small group of wealthy people rather than the general population. For example, the government may use the banking system to bail out big businesses or to fund projects that benefit a small number of people.

How Does DeFi Work?

DeFi applications are built on Ethereum smart contracts. Smart contracts are programs that run on the Ethereum blockchain. They can be used to create financial contracts, like loans and deposits, that are stored on the blockchain and can be executed automatically.

Because DeFi applications are built on Ethereum, they can interact with each other. For example, you could take out a loan on one DeFi platform and then use the money you borrowed to trade on another DeFi platform. This inter-platform compatibility is one of the key features that makes DeFi so powerful.

Disadvantages of DeFi

The main disadvantages of DeFi are:

  1. There is the risk that you could lose your money if a DeFi application is hacked. Although decentralized applications are often touted as being more secure than traditional centralized applications, they are not immune to hacking. If a hacker is able to gain access to a DeFi application, they could steal the money that is stored in the application. If you lose your money due to a hack or other security breach, it is unlikely that you will be able to get your money back. This is because decentralized applications are often not regulated, and there is no central authority that you can contact to file a claim.
  2. Lack of regulation: The decentralized nature of DeFi means that there is no central authority regulating or overseeing the activities of DeFi projects. This lack of regulation could lead to financial losses for investors if a DeFi project is not well-designed or is simply a scam.
  3. Counterparty risk: When using DeFi applications, you are trusting that the other party involved in the transaction will not default on their obligations. If they do, you could lose your money.
  4. Technical risks: DeFi applications are often complex and require a certain level of technical knowledge to use them. If you do not understand how a DeFi application works, you could lose your money.
  5. Liquidity risks: Some DeFi applications may have low liquidity, which means that it may be difficult to sell your position in the application for cash. This could lead to losses if you need to sell your position but cannot find a buyer.

Conclusion:

The DeFi ecosystem is still in its early stages and is constantly evolving. The future of DeFi is uncertain, but the potential for disruption is massive. DeFi is a new form of finance that is based on the Ethereum blockchain. DeFi applications are open source and permissionless, meaning that anyone can use them. Additionally, DeFi applications are trustless, meaning that you don’t have to trust any central authority with your money. If you’re looking for a more decentralize way to do your finances, then DeFi might be for you.


This article is not a recommendation by Arcena or the writer to invest in cryptocurrencies or other ICOs. Investing in cryptocurrencies and other ICOs is highly risky and speculative. Since each individual’s situation is unique, a qualified professional should always be consulted before making any financial decisions.

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