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Stablecoins: How they Work, Types, and Example

Silas Bamigbola avatar image
Last updated 09/17/2024 by
Silas Bamigbola
Fact checked by
Ante Mazalin
Summary:
Stablecoins are cryptocurrencies designed to maintain a stable value by pegging their worth to external assets, such as fiat currencies or commodities. Unlike traditional cryptocurrencies, which often experience significant price volatility, stablecoins aim to provide a reliable medium of exchange for everyday transactions. Their stability makes them an attractive option for investors and consumers seeking to navigate the digital currency landscape with reduced risk.
Stablecoins have emerged as a significant player in the cryptocurrency ecosystem. Unlike traditional cryptocurrencies like Bitcoin, which are known for their price volatility, stablecoins aim to provide a more stable digital currency option. This stability is achieved by pegging their value to stable assets such as fiat currencies or commodities. As the market for stablecoins grows, understanding their function and types becomes crucial for both investors and consumers.
Stablecoins are cryptocurrencies designed to maintain a stable market value by tying their worth to an external reference, such as a fiat currency or a commodity. By addressing the inherent volatility in most cryptocurrencies, stablecoins present a reliable alternative for transactions and savings. The growth of the stablecoin market—currently valued at over $162 billion—highlights their increasing importance in the broader financial system.

Why stablecoins are important

The significance of stablecoins lies in their ability to facilitate transactions without the price fluctuations common in other cryptocurrencies. For example, Bitcoin’s price surged from approximately $5,000 in March 2020 to over $63,000 in April 2021, only to drop nearly 50% shortly thereafter. Such volatility can turn routine transactions into speculative risks. Stablecoins provide a solution by ensuring that the currency retains its purchasing power over short periods, making them more suitable for everyday transactions.
Stablecoins operate by pegging their value to external assets, which can include fiat currencies like the U.S. dollar, commodities such as gold, or even using algorithms to control their supply. This peg helps stabilize their value, making them more effective as a medium of exchange.

Fiat-collateralized stablecoins

Fiat-collateralized stablecoins maintain reserves of a fiat currency, such as the U.S. dollar, to ensure their value. For example, Tether (USDT) and TrueUSD (TUSD) are well-known stablecoins that are pegged at parity to the dollar. These reserves are held by independent custodians and are regularly audited to confirm that the backing is indeed there.

Commodity-backed stablecoins

Commodity-backed stablecoins are tied to the value of physical commodities like gold or oil. They ensure their stability by holding these commodities in reserve. An example is Tether Gold (XAUt), which is backed by gold reserves and offers holders the option of physical delivery of their gold.

Crypto-collateralized stablecoins

Crypto-collateralized stablecoins are backed by other cryptocurrencies, which can also be volatile. To mitigate risk, these stablecoins are usually overcollateralized, meaning the value of the collateral exceeds the stablecoins issued. A prime example is MakerDAO’s Dai (DAI), which is pegged to the U.S. dollar and backed by a reserve of cryptocurrencies valued at about 155% of the DAI in circulation.

Algorithmic stablecoins

Algorithmic stablecoins are a unique category of stablecoins that aim to maintain price stability through the use of algorithms rather than traditional collateral. These stablecoins rely on automated systems to control the supply of the coin in response to market demand. By increasing or decreasing the supply, these algorithms strive to keep the stablecoin’s value close to its target price, typically a fiat currency like the U.S. dollar.
One notable feature of algorithmic stablecoins is that they do not require reserve assets to back their value, which distinguishes them from fiat-collateralized or commodity-backed stablecoins. Instead, they utilize smart contracts to execute adjustments in supply based on pre-set parameters. This can involve mechanisms such as minting new coins when demand rises or burning existing coins when demand falls.
Despite their innovative approach, algorithmic stablecoins have faced significant challenges. The collapse of TerraUSD (UST) in May 2022 highlighted the vulnerabilities in their design. UST was supposed to maintain a 1:1 peg to the U.S. dollar through a complex system involving the Luna token. However, when market conditions deteriorated, UST lost its peg, leading to a rapid decline in its value and causing substantial losses for investors.
The failure of TerraUSD raised questions about the sustainability of algorithmic stablecoins and their ability to function as reliable alternatives in the cryptocurrency ecosystem. As a result, regulatory bodies are paying close attention to these stablecoins, emphasizing the need for transparency and risk management practices.
Despite these challenges, some proponents argue that algorithmic stablecoins can offer unique benefits, such as greater flexibility and reduced reliance on custodians.

Types of stablecoins

There are several categories of stablecoins, each with its method for achieving price stability.

1. Fiat-collateralized stablecoins

As mentioned, these stablecoins maintain a direct relationship with fiat currencies. They provide a straightforward approach to stability but come with the risk of reliance on custodians and the need for regular audits.

2. Commodity-backed stablecoins

These stablecoins use physical commodities as collateral. Their value is linked to the market price of these commodities, providing an additional layer of stability.

3. Crypto-collateralized stablecoins

These stablecoins utilize cryptocurrencies as collateral. Their structure allows for a dynamic interaction between different cryptocurrencies, which can both enhance and complicate stability.

4. Algorithmic stablecoins

These operate without direct backing by any asset, instead relying on algorithms to maintain their value. While they can offer flexibility, their reliance on algorithms introduces risks that investors should be aware of.

Stablecoin regulations

The rapid growth of the stablecoin market has drawn increasing attention from regulators worldwide, highlighting the need for a clear framework to address potential risks. As stablecoins gain popularity, their impact on the financial system raises concerns about consumer protection, market stability, and the potential for misuse in illegal activities.
In the United States, the regulatory landscape is evolving. In October 2021, the International Organization of Securities Commissions (IOSCO) proposed that stablecoins be regulated as part of the financial market infrastructure, similar to payment systems. This would involve oversight of stablecoins deemed systemically important, which could disrupt payment and settlement transactions if left unchecked.
Political discussions have intensified around stablecoin regulations. In 2021, U.S. Senator Cynthia Lummis advocated for regular audits of stablecoin issuers, emphasizing the importance of transparency and accountability. By 2024, Senator Lummis, along with Senator Kirsten Gillibrand, introduced a bill aimed at establishing a regulatory framework for stablecoins, requiring issuers to be registered as non-depository trusts or authorized depository institutions.
In Europe, the Markets in Crypto Assets Regulation, which came into effect in 2023, imposes stringent requirements on stablecoins. Algorithmic stablecoins are effectively banned, while other stablecoins must maintain assets held in custody by a third party. These assets must be liquid and have a 1:1 ratio with the issued stablecoins, ensuring that each stablecoin is fully backed.
As stablecoins continue to evolve, staying informed about regulatory developments is essential for users and investors.

Conclusion

Stablecoins represent a significant advancement in the cryptocurrency landscape by addressing the volatility that often hampers digital currencies. Their various types—fiat-collateralized, commodity-backed, crypto-collateralized, and algorithmic—each offer unique benefits and risks. As regulatory frameworks continue to evolve, stablecoins are likely to play an increasingly important role in the financial ecosystem.

Frequently asked questions

What are stablecoins used for?

Stablecoins are primarily used as a medium of exchange in the cryptocurrency market. They allow users to transact without the volatility associated with traditional cryptocurrencies. Additionally, stablecoins can be used for trading, savings, remittances, and as a means to hold value without the risks of rapid price fluctuations.

Are stablecoins safe?

The safety of stablecoins varies depending on their structure and the integrity of their reserves. Fiat-collateralized stablecoins are generally considered safer, provided they are backed by reliable audits. However, it’s crucial for investors to conduct due diligence and understand the underlying mechanisms and risks of each stablecoin type.

How can I buy stablecoins?

Stablecoins can be purchased on most major cryptocurrency exchanges, including Binance, Kraken, and Coinbase. Users typically trade other cryptocurrencies or fiat currencies for stablecoins. It’s advisable to create an account on a reputable exchange to ensure security and ease of transactions.

What is the difference between stablecoins and traditional cryptocurrencies?

Stablecoins aim to maintain a stable value by pegging their worth to external assets, such as fiat currencies or commodities, while traditional cryptocurrencies like Bitcoin are known for their price volatility. This stability makes stablecoins more suitable for everyday transactions, while traditional cryptocurrencies are often viewed as investment assets.

Can stablecoins lose their peg?

Yes, stablecoins can lose their peg under certain circumstances. For instance, market dynamics, regulatory changes, or issues with the underlying collateral can lead to a stablecoin’s value deviating from its pegged asset. Notably, some algorithmic stablecoins have faced challenges maintaining their value, as seen with TerraUSD (UST).

How do stablecoins impact the broader financial system?

Stablecoins have the potential to enhance the efficiency of financial transactions and provide a bridge between the cryptocurrency and traditional financial systems. However, their rapid growth and market influence have raised regulatory concerns. Policymakers are increasingly scrutinizing stablecoins due to their systemic importance and the risks they may pose to financial stability.

Key takeaways

  • Stablecoins provide a stable alternative to volatile cryptocurrencies.
  • They can be backed by fiat currencies, commodities, or algorithms.
  • The market for stablecoins is rapidly growing and attracting regulatory scrutiny.
  • Tether (USDT) is the most widely used stablecoin, providing easy access for investors.

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Stablecoins: How they Work, Types, and Example - SuperMoney