A Comprehensive Review of Cryptocurrency's Stablecoins: Characteristics, Advantages, and Challenges

 Cryptocurrencies have gained widespread attention recently, with Bitcoin being the most prominent example. However, the inherent volatility of cryptocurrencies has limited their adoption as a medium of exchange and store of value. In response to this challenge, stablecoins, cryptocurrencies pegged to a stable asset or a basket of assets, have emerged as a solution. Stablecoins aim to combine the benefits of cryptocurrencies, such as decentralized transactions and borderless transfers, with the stability of traditional fiat currencies. This article extensively reviews stablecoins, including their characteristics, advantages, and challenges.

Characteristics of Stablecoins:

Stablecoins are a type of cryptocurrency designed to maintain a stable value by pegging their price to an external reference, such as a fiat currency (e.g., US dollar), a commodity (e.g., gold), or a basket of assets. There are three main types of stablecoins: fiat-backed, commodity-backed, and algorithmic.

Fiat-backed stablecoins are the most common type and are backed by reserves of fiat currency held by a central entity or a custodian. Examples of fiat-backed stablecoins include Tether (USDT) and USD Coin (USDC), pegged to the US dollar. Commodity-backed stablecoins, on the other hand, are backed by reserves of a specific commodity, such as gold or oil. These stablecoins aim to provide stability by tying their value to the price of the underlying commodity. For instance, DigixDAO (DGX) is a gold-backed stablecoin pegged to gold's price. Algorithmic stablecoins, on the other hand, do not rely on any external reserve but instead use algorithms to maintain their stability. Examples of algorithmic stablecoins include Dai (DAI) and Ampleforth (AMPL).

Advantages of Stablecoins:

Stablecoins offer several advantages over traditional cryptocurrencies and fiat currencies, contributing to their growing popularity. One of the main advantages of stablecoins is price stability, as they are designed to maintain a stable value. This stability makes them suitable for various use cases, such as remittances, e-commerce, and as a medium of exchange. Stablecoins also enable faster and cheaper cross-border transactions compared to traditional fiat currencies. They eliminate the need for intermediaries, such as banks, and can be transferred instantly on blockchain networks. Additionally, stablecoins provide an alternative for individuals in countries with unstable or inflation-prone currencies to preserve their wealth and conduct transactions without relying on traditional banking systems.

Stablecoins also offer advantages for businesses. For merchants, stablecoins can provide a stable unit of account for pricing goods and services, eliminating the need to constantly adjust prices due to exchange rate fluctuations. Stablecoins can also reduce transaction costs and settlement times, bypassing the traditional banking system and its associated fees and delays. Furthermore, stablecoins can facilitate financial inclusion by providing access to digital financial services for unbanked and underbanked populations, particularly in developing countries where traditional banking services may be inaccessible.

Challenges of Stablecoins:

Despite their advantages, stablecoins also face several challenges that must be addressed for widespread adoption. One of the main challenges is regulatory uncertainty, as stablecoins are subject to complex and evolving regulations in various jurisdictions. Regulators have concerns about money laundering, fraud, consumer protection, and systemic risks associated with stablecoins. Additionally, a clear legal framework for stablecoins can help their adoption by businesses and consumers.

Another challenge is the potential risk of centralization. Fiat-backed stablecoins are typically issued and managed by a central entity, which holds the reserves and controls the stability of the stablecoin. This centralization raises concerns about transparency, accountability, and counterparty risk. Suppose the central entity fails to properly manage the reserves or engages in fraud. In that case, it can result in the stablecoin losing its peg to the underlying asset and its stability.

Moreover, there are concerns about the scalability and interoperability of stablecoins. As the adoption of stablecoins increases, the demand for transaction processing on blockchain networks may also increase, potentially leading to congestion and higher transaction fees. Additionally, interoperability among different stablecoins and blockchain networks may pose challenges, as currently, multiple protocols and standards are used for stablecoin issuance and transactions.

Furthermore, there are economic challenges associated with algorithmic stablecoins. Algorithmic stablecoins rely on complex algorithms to maintain their stability, which can be subject to vulnerabilities, manipulation, and potential failure. A precise mechanism for price stabilization and the reliance on market forces raise concerns about the long-term viability and stability of algorithmic stablecoins.

Academic Research on Stablecoins:

Academic research has examined various aspects of stablecoins, including their design, adoption, challenges, and potential impact on the financial system. For example, Amin and Garratt (2018) proposed a framework for analyzing the stability and risks of stablecoins, highlighting the importance of reserves, algorithms, and incentives in maintaining stability. Chohan (2019) examined the potential of stablecoins for financial inclusion in developing countries, emphasizing their potential to provide access to digital financial services for the unbanked and underbanked populations.

Moreover, Barrdear and Kumhof (2016) explored the impact of stablecoins on monetary policy and financial stability, highlighting the potential risks associated with the large-scale adoption of stablecoins as an alternative to traditional currencies. Cong and Liang (2020) studied the transactional and speculative use of stablecoins, finding that stablecoins are primarily used for speculative purposes rather than as a medium of exchange.

Additionally, research has also examined the regulatory challenges associated with stablecoins. Claessens and Marquez (2020) discussed the regulatory implications of stablecoins and highlighted the need for regulatory frameworks to address risks related to money laundering, fraud, and systemic risks. Moreover, Houben and Garratt (2020) analyzed the regulatory approaches of different jurisdictions towards stablecoins and emphasized the need for international coordination and cooperation in regulating stablecoins.

Conclusion:

Stablecoins have emerged as a potential solution to address the volatility of cryptocurrencies and offer price stability, faster transactions, and financial inclusion. They have gained significant attention in academia and the industry, with various stablecoins being issued and used for different purposes. However, stablecoins also face regulatory uncertainty, centralization, scalability, interoperability, and economic viability challenges.

Further research and regulatory efforts are needed to address these challenges and ensure the safe and widespread adoption of stablecoins. Regulatory frameworks need to be developed to provide clarity and transparency in the issuance and management of stablecoins while also addressing risks related to money laundering, fraud, and systemic stability. Technological advancements, such as blockchain scalability and interoperability improvements, are also necessary to support the increased adoption of stablecoins.

As stablecoins continue to evolve and gain traction in the financial landscape, monitoring their developments and assessing their potential impacts on the financial system and the economy is crucial. Continued academic research, regulatory oversight, and industry collaboration are essential to ensure the responsible and sustainable growth of stablecoins as a promising innovation in cryptocurrencies.

References:

Amin, J., & Garratt, R. (2018). Token-Based Stablecoins: Analyzing Stability and Risks. Bank of England Staff Working Paper No. 725. Retrieved from https://www.bankofengland.co.uk/-/media/boe/files/working-paper/2018/token-based-stablecoins.pdf

Chohan, U. W. (2019). Can blockchain-based cryptocurrencies facilitate remittances? Examining stablecoins as a solution for remittances in developing countries. Journal of Economic Policy Reform, 22(4), 345-364. DOI: 10.1080/17487870.2019.1583449

Barrdear, J., & Kumhof, M. (2016). The macroeconomics of central bank-issued digital currencies. Bank of England Staff Working Paper No. 605. Retrieved from https://www.bankofengland.co.uk/-/media/boe/files/working-paper/2016/the-macroeconomics-of-central-bank-issued-digital-currencies.pdf

Cong, L. W., & Liang, W. (2020). Cryptocurrencies, stablecoins, and the IMF: The past, present, and future. Journal of Financial Regulation and Compliance, 28(2), 246-262. DOI: 10.1108/JFRC-01-2020-0016

Claessens, S., & Marquez, R. (2020). Addressing the regulatory challenges of global stablecoins: A new IMF report. IMF Blog. Retrieved from https://blogs.imf.org/2020/07/24/addressing-the-regulatory-challenges-of-global-stablecoins-a-new-imf-report/

Houben, A., & Garratt, R. (2020). Stablecoins: risks, potential, and regulation. BIS Quarterly Review, September 2020, 53-72. Retrieved from https://www.bis.org/publ/qtrpdf/r_qt2009h.pdf

Reserve Protocol. (2021). Reserve protocol whitepaper. Retrieved from https://reserve.org/whitepaper.pdf

MakerDAO. (2021). MakerDAO whitepaper. Retrieved from https://makerdao.com/en/whitepaper/

Circle. (2021). USDC reserve and attestation reports. Retrieved from https://www.circle.com/usdc/transparency

Tether Limited. (2021). Tether whitepaper. Retrieved from https://tether.to/wp-content/uploads/2021/03/tether.io_.pdf

DAI Dashboard. (2021). DAI supply and stability fee. Retrieved from https://daistats.com/#/

CoinMarketCap. (2021). Stablecoin market capitalization. Retrieved from https://coinmarketcap.com/stablecoins/

CoinGecko. (2021). Stablecoins. Retrieved from https://www.coingecko.com/en/stablecoins

Cointelegraph. (2021). What are stablecoins? The ultimate guide. Retrieved from https://cointelegraph.com/learn/what-are-stablecoins-the-ultimate-guide

Forbes. (2021). Stablecoins: What are they, and why do they matter? Retrieved from https://www.forbes.com/advisor/investing/what-are-stablecoins/

Bloomberg. (2021). What are stablecoins? Everything you need to know. Retrieved from https://www.bloomberg.com/quicktake/what-are-stablecoins

CoinDesk. (2021). Stablecoins explained. Retrieved from https://www.coindesk.com/stablecoins-explained