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Decoding DeFi: Drawing Parallels with Traditional Financial Systems | by Noama Samreen | Coinmonks | May, 2023

Noama Samreen
Photo by Dmitry Demidko on Unsplash

Decentralized Finance, or DeFi, is a term that has created ripples in the financial world, promising to revolutionize the sector by employing blockchain technology to remove intermediaries from financial transactions. However, despite its growing popularity, DeFi can be a daunting concept for many. To simplify, let’s map traditional finance concepts to their DeFi counterparts and uncover how they function in this new realm.

In traditional finance, banks play a pivotal role as intermediaries. They facilitate transactions, store funds, provide loans, and perform a host of other services. In DeFi, this role is overtaken by smart contracts. These are self-executing contracts with the agreement terms directly written into code. They reside on the blockchain, are transparent, and cannot be modified once deployed, eliminating the need for trust in a third party.

Savings accounts in banks are familiar to most, where users can deposit their funds and earn interest over time. In the DeFi universe, users can ‘stake’ or add their cryptocurrency to liquidity pools. In return, they earn fees or interest, much like a savings account. These pools provide liquidity for decentralized exchanges and lending protocols, driving the engine of the DeFi ecosystem.

Banks often provide loans to individuals and businesses against some form of collateral. Similarly, in DeFi, Collateralized Debt Positions (CDPs) play a critical role. Users can over-collateralize their cryptocurrency assets to take out loans in stablecoins or other tokens. This form of lending and borrowing is at the heart of many DeFi platforms and brings a new level of flexibility and efficiency to financial services.

Insurance companies in traditional finance provide risk coverage against loss or damage. In DeFi, similar coverage is provided by platforms like Nexus Mutual that offer smart contract cover. These platforms protect users against potential bugs and exploits in the smart contract code, ensuring their investment is safe, even if the code has vulnerabilities.

In the conventional system, investors buy securities, stocks, and bonds, which represent ownership in companies or debts. In DeFi, these are represented by tokens, which can represent a variety of assets, utilities, or rights within the ecosystem. Tokens can symbolize ownership in a protocol, rights to future profits, or utility within a specific application.

Central banks govern traditional finance, setting monetary policies, and regulating financial institutions. In DeFi, similar functions are performed by Decentralized Autonomous Organizations (DAOs). DAOs are organizations governed by smart contracts and their rules are enforced on the blockchain. Decision-making within a DAO is typically democratic, with token holders voting on proposals.

Traditional securities such as stocks and bonds are typically traded on centralized exchanges, which act as intermediaries. In DeFi, this role is taken by decentralized exchanges, or DEXs. DEXs like Uniswap and SushiSwap operate through automated market makers (AMMs) and allow peer-to-peer trading of tokens without the need for an intermediary, fostering greater privacy and control of funds for users.

In traditional finance, derivatives are contracts that derive their value from an underlying asset. They’re used for hedging and speculation. In DeFi, we have decentralized derivatives platforms like Synthetix and Opyn, which offer a variety of derivative products on cryptocurrencies. Users can mint synthetic assets that track the value of real-world assets, including fiat currencies, commodities, and stocks.

Traditional finance uses wealth managers or robo-advisors to optimize investment portfolios based on the investor’s risk tolerance and goals. In DeFi, yield aggregators like or Rari Capital play a similar role. They automatically allocate user funds across various DeFi protocols to optimize returns based on the latest yield farming opportunities.

Traditional financial systems use payment service providers like PayPal or credit card networks to facilitate transactions. In DeFi, decentralized payment networks like Lightning Network for Bitcoin or Raiden for Ethereum enable fast, low-cost payments. Moreover, stablecoins provide the means for peer-to-peer value transfer in a stable format.

Traditional financial institutions often offer custody services to securely store assets for their clients. In DeFi, the same function is served by non-custodial wallets like Metamask or WalletConnect. These wallets give users full control of their assets, as they alone possess the private keys to their wallets.

In the traditional financial system, foreign exchange markets allow trading between different national currencies. In DeFi, cross-chain bridges play a similar role by enabling the transfer of assets between different blockchain networks. Projects like ThorChain and ChainSwap allow users to seamlessly swap assets across different chains, enhancing interoperability in the DeFi space.

DeFi represents a revolutionary leap in the world of finance, replicating traditional financial instruments in a decentralized manner and opening up new avenues for financial interaction. The transparency and accessibility offered by DeFi have the potential to democratize finance, making it more inclusive and efficient. However, like any emerging technology, it carries its share of risks and challenges. As we continue to explore this new frontier, understanding its parallels with traditional finance can serve as a useful guide.

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