DeFi – The Future of Finance

Capital markets exist to improve transactional efficiency, providing a venue to allow the transfer of capital between those who possess it, and those who demand it.

They serve a critical role, acting as a link between savers and investors, facilitating the economic growth which determines our relative levels of prosperity.

Their efficiencies are most commonly demonstrated through equity markets, where individuals and institutions can purchase a share of a company’s future earnings, in exchange for providing that company with capital to grow their business further, or to sustain existing business activities.

Whilst capital markets have enabled economic advancements which have significantly enhanced our standard of living, they aren’t perfect, requiring a multitude of investment bankers getting paid well above their productive contribution, and countless other front, middle and back-office staff to merely keep the system functioning.

Errors are commonplace, none more so than Citi’s USD$900m transfer gaffe to Revlon bondholders, and social outcomes are inequitable, exacerbating the already lopsided distribution of wealth in our society: with over 1.7 billion people remaining unbanked as of 2017 due to the significant barriers of entry into the financial services industry.

At the core of it, the problem lies in the trust required in intermediaries, who are often inefficient, prone to error and each carry a set of often exclusionary company policies required to ensure the maximisation of shareholder value (further enforcing wealth inequality).

Enter decentralised finance (also referred to as “DeFi”).

DeFi proposes to reinvent the financial system, replacing the need for intermediaries, and providing a means to facilitate the transfer of capital between individuals and institutions, in a trustless, efficient, and secure manner.

In today’s note, we will examine the concept of decentralised finance – what exactly it is, how it can be used, and the way in which it can be assimilated into the future of financial markets.

Decentralised Finance (“DeFi”)

Earlier, I mentioned that DeFi was “trustless”, but what exactly does this mean?

In current centralised finance models (also referred to as “CeFi”), transactions require a trusted third party, who act as a bridge to facilitate transactions between two parties.

DeFi requires no such intermediary, enabling two parties to transact, who don’t know, or trust each other – hence it is trustless.

It operates on the blockchain, replacing intermediaries with smart contracts – which are self-executing contracts with terms and conditions written into their code.

These smart contracts are able to enhance efficiency and are more secure and more transparent than the current intermediaries we see today.

How does it work?

An easy way to view the usefulness of DeFi is through looking at the act of borrowing and lending money through Aave – a leading DeFi protocol.

Aave facilitates borrowing and lending between individuals through a liquidity pool-based strategy, where rates of borrowing and lending between participants are determined by the relative amount of available liquidity in the pool.


In order to borrow, investors must first deposit their chosen collateral. In this example, we will deposit Ethereum (ETH), which currently has a loan to value (LVR) ratio of 80%, and we will use this collateral to borrow USD Coin (USDC).

USDC is a USD-backed stablecoin, where each USDC token is pegged to the US dollar (where 1 USDC = 1 USD). The value of USDC is able to be pegged, given its issuer, Circle keeps 1 USD (or an asset with equivalent fair value) for every token issued.

These USDC tokens can be redeemed into USD at any point, where the USD (or USD equivalent assets) are held in custody by U.S regulated financial institutions and are regularly attested by Grant Thornton.

As of the writing of this note, the 30-day average interest rate for lending USDC to the liquidity pool is 4.92% p.a., with the average borrowing rate being 6.01%% p.a.

These borrowing and lending rates are determined by supply and demand, with rates going up or down according to the amount of available liquidity in the pool.

i.e. if 90% of the pool is being lent out, then borrowing rates will increase to incentivise existing debtors to repay debts, or disincentivise new investors from borrowing from the liquidity pool.

The relationship between existing available liquidity and interest rates is determined by the utilisation rate, which reflects the proportion of the liquidity pool which has been lent out.

Each cryptocurrency has a predetermined optimal utilisation, which in the case of USDC on Aave is 90%.

In the below graph, the relationship between utilisation (U) and the interest rate (APY) is relatively stable until it reaches its optimal utilisation rate.

Once it reaches this point, it increases significantly, given the suboptimal outcomes for borrowers and lenders should the utilisation rate approach 100%.

Source: Aave

Now if we step back into centralised financial models, we can look at the relative rates offered for borrowing and lending over the same 1-year period.

If I wanted to take out a secured automobile loan with CBA, I would likely be subject to paying 7.99% p.a.

Whilst one could get lower rates through banker relationships, many would be hard-pressed to be able to find a 1-year loan available for under the 6.01% p.a. offered on Aave.

Source: CBA

Similarly, if I wanted to be able to deposit money for 1 year – I would only be able to earn 0.30% over that same 1-year period, or potentially more with certain promotional offers made through savings accounts (which are subject to deposit limits and largely unavailable for significant balances). 

This is significantly lower than the 4.92% I could get through Aave.

At the moment, the majority of the value in utilising liquidity pools lies with lending capital – however as user bases increase, borrowing rates should decrease.

For now, the most important element of this example is the spread between borrowing and lending – which will likely always be better than centralised alternatives.

Source: CBA

You might say that you would prefer to pay more/earn less given the reputation of CBA, where the government has an implicit guarantee on any deposits up to $250,000, however, many other countries don’t afford this level of protection.

Moreover, there is no real counterparty risk with Aave – it is a decentralised protocol with no single point of failure, where transactions are governed purely by the lines of code written into smart contracts. It merely facilitates borrowing and lending between market participants, has no significant overhead costs, and is scalable.

The primary risk with Aave is smart contract risk – where bugs in the code of your respective smart contract may leave it susceptible to hackers.

It can offer better rates than centralised alternatives, given there is no intermediary which needs to take a spread of any borrowing/lending to account for risks or pay for the costs of operating a bank.

Whilst this example may be slightly misaligned (given Aave is denominated in USD and CBA in AUD), similar rates can be achieved through employing FX hedging on other decentralised derivatives platforms, or such a time in the future where AUD stablecoins have more liquidity.

However, it must be noted that liquidity pools are also not without risk, where changes in the valuation of the assets within the liquidity pool can lead to either amplified losses or reduced gains – a concept called impermanent loss.

Impermanent loss would not occur if you simply lent stablecoins to a liquidity pool (unless the peg to the real-world asset broke down), however, if you provided both ETH and USDC (like our example), losses could occur.

In our example, should the value of ETH go up, and the total pool value was to stay the same, the amount of ETH would have to reduce (to compensate for the increased value of the ETH, and to maintain the exchange rate between the two pairs).

Providers of liquidity to these pools are only entitled to the proportion of the pool they first provided – for the sake of this example, let's say we accounted for 1% of the total pool value.

So given the amount of ETH has declined in the pool, the ETH you would receive would be lower in quantity (given the total ETH in the pool declined), but greater in value (given the value of the ETH has increased).

You wouldn’t make a loss, but your profit would be lower relative to if you just held the ETH.

In order to avoid this impermanent loss, you could instead post less volatile collateral, or insure against it through other smart contracts.

What can be decentralised?

Over USD$92bn is currently locked into a range of DeFi protocols, providing borrowing/lending services, decentralised cryptocurrency exchanges, insurance, payment networks, and derivatives protocols.

Most relevant to our dealing within equity, FX, and fixed income markets here at Mason Stevens, is Synthetix – a DeFi protocol which facilitates a decentralised exchange and provides synthetic asset issuance services.

Started by Australia’s own Kain Warwick, the protocol is the largest of its kind, and offers an insight to what blockchain integration into capital markets could look like.

Users are able to create and trade synthetic tokens which track the real-life price of assets – including a multitude of currencies (both fiat and cryptocurrency), gold, silver, and more recently, equities like Apple and Tesla.

There is no underlying asset, so investors aren’t able to vote or receive dividends, however, prices are accurate and provided by decentralised data services.

The value it offers is in its 24/7 markets with instant settlement, for a fraction of the cost of traditional markets given the lack of human input required.

Whilst Mason Stevens is unique in its offering across all equity, credit, and FX markets, a regular investor would find themselves hard-pressed to invest into options beyond popular equity exchanges in Australia and the US, with limited scope to invest into currencies and more niche asset classes/geographies.

Is decentralisation a good thing?

If regulators have found it hard dealing with concepts like Buy Now Pay Later, they will have a mountain to climb when it comes to attempting to regulate DeFi.

Historical regulatory models used for financial transactions primarily rely on the presence of an intermediary, for which there is none to regulate.

The anonymity of transactions and governance structures (where some protocols like Maker DAO are managed solely by its token holders) also clouds the question of who and what to regulate.

Consumers are not granted the protections they are historically afforded, and little recourse is available should a client enter into a disadvantageous transaction.

The SEC has sought to make DeFi a priority in its cryptocurrency related regulatory reform, however, should they continue to pursue the destructive path they have begun to forge, innovation will simply go offshore to countries who are more accommodative towards greater efficiency, transparency, and equality within their financial systems.

In the aftermath of the 50% drawdown in cryptocurrencies earlier this year, where the DeFi space escaped with little harm to its underlying protocols, the value that DeFi can add was perfectly summarised by Cathie Wood:

“Can you imagine if equity and bond prices were cut in half?… I think we would be in a counterparty risk situation”

Growth prospects lie in more widespread adoption, which will require considerable levels of education, and also within the ability of Bitcoin to integrate smart contract technology through layer two protocols that would enable usage within the DeFi ecosystem.

Given their ability to boost standards of living and increase economic prosperity, capital markets will always continue to evolve as new technology sees the light of day.

Whilst we may not see DeFi in existence in 10-20 years, it is almost guaranteed that part of its underlying processes will be integrated into traditional markets in some form.

As such, even if you do not believe in DeFi or cryptocurrencies in general, it is important to be aware of the innovations which will shape the financial systems of our future.

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Issued by Mason Stevens Limited (ABN 91 141 447 207, AFSL 351578). Past performance is not a reliable indicator of future performance. The information provided in this presentation is general in nature only and does not constitute personal financial advice. The information has been prepared without taking into account your personal objectives, financial situation or needs. Before acting on any advice in this presentation you should assess or seek advice on whether it is appropriate for your needs, financial situation and investment objectives. Mason Stevens, its associates, directors and employees may hold interests in securities and/or earn fees or other benefits from transactions arising as a result of information contained in this presentation. Whilst every effort is made to ensure the information is accurate at the time of sending, Mason Stevens does not warrant its accuracy, reliability or completeness nor does it undertake to correct any information subsequently found to be inaccurate. Opinions expressed and / or information may change without prior notice and Mason Stevens is not obliged to update you if the information changes. As such this presentation should not be taken as an indication of any actual performance of any particular investment. Any investment return(s) and yield assumptions used in the presentation do not represent a prediction or forecast of actual performance of any product or service offered by Mason Stevens Limited.

Mike is an Investment Analyst at Mason Stevens, where he is responsible for a broad range of investment management activities, primarily focused on the firm’s fixed income product offering and wealth services. Mike has a strong interest and...

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