Stablecoins: A Comprehensive Guide

Stablecoins have emerged as a significant component of the cryptocurrency landscape, offering a bridge between traditional finance and the volatile world of digital assets. Designed to minimize price fluctuations, these cryptocurrencies are pegged to the value of a specific asset, providing a more stable medium for transactions and investment. This article provides a detailed overview of stablecoins, exploring their types, uses, advantages, risks, and future outlook, with a particular focus on developments in Japan.

What are Stablecoins?

Stablecoins are a type of cryptocurrency engineered to maintain a stable value, unlike the significant price swings often associated with cryptocurrencies like Bitcoin and Ethereum. They achieve this stability by being pegged to a reserve asset, such as a fiat currency (like the US dollar), a commodity, or even another cryptocurrency. For companies, the primary appeal of stablecoins lies in their potential for efficient and cost-effective payments, particularly for cross-border transactions. They are issued and transferred on blockchains, enabling near-instantaneous transfers at any time.

Latest Developments in Stablecoins

As digital assets tied to fiat currencies, stablecoins are increasingly viewed as a potential solution for streamlining payments and fund transfers. However, their impact on the financial system and the need for user protection have spurred regulatory bodies worldwide to develop frameworks for their oversight.

Japan: The JPYC Stablecoin

In October 2025, Japan saw the launch of JPYC, a stablecoin designed to maintain a 1:1 value peg to the Japanese yen (¥). This launch followed amendments to the Japanese Payment Services Act in 2025, clarifying the legal status of stablecoins and establishing a framework for their use by banks, trust companies, and money transfer operators. JPYC is provided under a framework based on Article 2, Paragraph 5 of the Japanese Payment Services Act, distinguishing it from general cryptocurrencies.

Global Regulatory Landscape

Globally, several countries are actively establishing legal frameworks for stablecoins. In the United States, the Guiding and Establishing National Innovation for US Stablecoins Act (GENIUS Act) was enacted in 2025, focusing on regulations related to backing assets and issuers. Europe has introduced the Markets in Crypto-Assets Regulation (MiCA), establishing comprehensive rules governing the issuance and operation of cryptocurrencies and stablecoins. Hong Kong is also progressing towards a regulatory framework, with the first license expected to be granted in March 2026, requiring issuers to hold backing assets and manage risks.

Types of Stablecoins and How They Work

Stablecoins are categorized based on their mechanisms for maintaining value. The primary types include:

Fiat-Backed

Fiat-backed stablecoins, like Tether (USDT) and USD Coin (USDC), maintain their value by holding assets denominated in fiat currencies – such as the US dollar – as reserves. Issuers aim to maintain a fixed exchange rate (e.g., 1 coin = $1) by holding sufficient backing assets, including deposits and government bonds. These are currently the most prevalent type of stablecoin.

Cryptocurrency-Backed

Cryptocurrency-backed stablecoins, such as DAI, are collateralized by other cryptocurrencies like Bitcoin or Ethereum. Due to the volatility of these underlying assets, an over-collateralization mechanism is typically employed, requiring more collateral to be deposited than the value of the issued stablecoin. DAI is widely used in decentralized finance (DeFi) applications.

Algorithmic

Algorithmic stablecoins attempt to stabilize their value through algorithms that adjust the token supply based on demand. If the price rises above the target (e.g., $1), the supply is increased to lower the price, and vice versa. TerraUSD (UST) previously utilized this mechanism, but experienced a significant failure in 2022, highlighting the structural risks associated with this approach.

Main Uses of Stablecoins

Stablecoins, due to their relative price stability, serve a variety of purposes:

• Payment Method: Increasingly adopted for digital payments, particularly within blockchain-based online services and platforms.
• Fund Transfers: Facilitate domestic and international transfers, offering faster and potentially cheaper alternatives to traditional methods.
• Cryptocurrency Trading: Act as a stable base currency for trading between volatile cryptocurrencies.
• DeFi: Used in decentralized finance applications for lending, borrowing, and providing liquidity.

Here’s a breakdown of some prominent stablecoins and their primary uses:

Advantages of Using Stablecoins

Adopting stablecoins as a payment method offers several benefits for businesses:

• Simplified Fund Transfers: Streamlined cross-border transfers via blockchain technology.
• Reduced Payment Costs: Lower fees compared to traditional payment networks.
• New User Segments: Access to users excluded from traditional financial systems.
• Anytime Payments: 24/7 transaction processing on blockchains.

Risks of Using Stablecoins

Despite their advantages, stablecoins present certain risks:

• Regulatory Changes: Varying and evolving regulations across different jurisdictions.
• Price Stability: While designed to be stable, the effectiveness of stabilization mechanisms can vary.
• Issuer Credit Risk: Reliance on the issuer’s management of reserve assets and transparency.

The Future of Stablecoins

Stablecoins are expected to play an increasingly important role in the future of digital currencies. Further development of legal frameworks, focusing on issuer oversight, reserve asset management, and user protection, is anticipated. The relationship between stablecoins and central bank digital currencies (CBDCs) is also evolving, with the potential for both privately issued stablecoins and central bank-backed digital currencies to coexist and serve different purposes.

Disclaimer: The contents of this article are for informational and educational purposes only and should not be construed as legal or tax advice. Stripe does not guarantee the accuracy, completeness, suitability or currency of the information contained in the article. For assistance with your specific situation, contact a competent attorney or accountant licensed to practice in your jurisdiction.