The recent passage of the GENIUS Act by the U.S. Senate marks a significant milestone in the regulation of stablecoins. This legislation, formally known as the Guiding and Establishing National Innovation for U.S. Stablecoins Act, was introduced by Senator Bill Hagerty in February 2025 and approved by the Senate on May 20, 2025, with a vote of 66 to 32. The Act aims to create a comprehensive regulatory framework for dollar-pegged stablecoins, establishing a mechanism that ties highly liquid assets to cryptographic assets. Under this bill, all stablecoin issuers are mandated to hold U.S. short-term Treasury bonds or dollars in a 1:1 reserve ratio. Additionally, issuers must obtain approval from federal or state regulators and comply with strict oversight. If the bill passes the House of Representatives and becomes law, it would centralize stablecoin licensing under the U.S. federal government and formally link cryptographic assets to U.S. sovereign credit.
Stablecoins are a type of cryptocurrency built on blockchain technology, featuring decentralization characteristics. They serve as a transactional intermediary between traditional fiat currencies and cryptographic assets. Before the advent of stablecoins, investors faced cumbersome procedures and high transaction costs when converting between their local fiat currencies and cryptographic assets. Stablecoins help reduce these transaction costs significantly.
Moreover, by mandating a peg to short-term U.S. Treasury bonds and the dollar—as seen with major stablecoins like USDT and USDC, which are 1:1 backed by dollars and U.S. Treasury bonds maturing within 93 days—stablecoins effectively anchor cryptographic assets to high-liquidity dollar assets. This binding ties digital currencies to U.S. sovereign credit. Cryptocurrencies lacking intrinsic value benchmarks gain enhanced liquidity indirectly through this linkage to liquid dollar assets. Furthermore, since stablecoins are pegged to the dollar and short-term Treasury bonds, market demand for these assets is likely to increase substantially, expanding the use cases for dollar-based assets and effectively raising the digital seigniorage for the U.S. dollar.
Stablecoins address the issue of excessive price volatility in cryptocurrencies. Since the inception of Bitcoin in 2009, its decentralized nature has disrupted traditional finance, but its high price volatility has hindered its utility as a medium of exchange and payment method. Stablecoins are designed to overcome this challenge. In 2014, Tether (USDT) pioneered the model where "1 USD reserve = 1 USDT," allowing users to deposit dollars and exchange them for USDT at market value. This mechanism maintains price stability through asset reserves, mitigating the value instability common in other cryptocurrencies. Current asset collateral models for stablecoins include:
- Fiat-collateralized stablecoins: Examples like USDT and USDC require issuers to hold 100% dollar reserves, with each stablecoin backed by a dollar held in custodial banks.
- Crypto-collateralized stablecoins: Represented by tokens such as DAI, which use other cryptographic assets as collateral.
From the perspective of payment mediums, stablecoins function as digital infrastructure. By establishing stablecoin standards early, the U.S. aims to dominate the foundational infrastructure of cryptographic asset trading, linking traditional fiat currencies with crypto assets. If global trade and settlement activities increasingly adopt stablecoins, this could reshape the ecosystem of cross-border payments and trade transactions, drastically reducing associated costs.
In 2024, the global stablecoin user base exceeded 120 million, with USDT and USDC serving as primary gateways for fiat currency entry into crypto markets. The combined market capitalization of USDT and USDC surpasses $100 billion. However, risks remain: a crisis in the reserve assets—such as sovereign credit defaults or a sharp decline in short-term Treasury bond prices—could lead to significant value evaporation in crypto markets. Additionally, stablecoins might be exploited for arbitrage and other illicit activities due to regulatory gaps.
In summary, stablecoins are poised to reshape the global financial ecosystem. They signal the growing mainstream acceptance of cryptographic assets as monetary instruments in the U.S., presenting new challenges for central bank digital currencies and financial regulators worldwide. The GENIUS Act primarily seeks to enhance the credibility of crypto assets by tethering them to the U.S. sovereign currency and highly liquid short-term Treasury bonds, thereby providing a sovereign credit backing. Notably, former President Trump and his family have independently launched cryptocurrencies, and key members of the current administration, including the Secretary of the Treasury and Secretary of Commerce, are supporters and beneficiaries of crypto assets. Whether the GENIUS Act is driven by personal interests or represents a turning point in international monetary history remains unclear. Furthermore, stablecoins have already surpassed the concept of a digital dollar; their potential to disrupt global trade and settlement systems is still unfolding.
For China, Hong Kong has concurrently enacted its own stablecoin legislation (the "Stablecoin Bill"). The People's Bank of China has been developing the digital yuan (e-CNY) and participating in the multi-central bank digital currency bridge project (mBridge) for years. Moving forward, the digital yuan could potentially overtake stablecoins in real-world application scenarios. Expanding retail payment infrastructures—such as transitioning from consumer payments to supply chain receivables, bulk commodity trading, and cross-border trade settlements—would build robust real-economy use cases. Current practices in China include enterprises issuing "corporate credit stablecoins" pegged to supply chain receivables and banks providing reserve services for these stablecoins. Additionally, China should leverage international cooperation opportunities to explore cross-border payment systems based on new infrastructures like multi-CBDC bridges, reducing costs for bilateral and multilateral trade payments and settlements.
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Frequently Asked Questions
What is a stablecoin?
A stablecoin is a type of cryptocurrency designed to maintain a stable value by being pegged to a reserve asset, such as a fiat currency (e.g., the U.S. dollar) or short-term government bonds. This stability makes it suitable for transactions and as a store of value.
How does the GENIUS Act impact stablecoin issuers?
The GENIUS Act requires all U.S. stablecoin issuers to hold 1:1 reserves in U.S. dollars or short-term Treasury bonds. Issuers must also obtain regulatory approval and adhere to strict oversight, centralizing licensing under federal authority.
What are the risks associated with stablecoins?
Key risks include potential reserve asset crises (e.g., sovereign default or bond value collapse), which could destabilize the crypto market. Regulatory gaps may also be exploited for illicit activities like arbitrage or fraud.
How do stablecoins improve cross-border payments?
Stablecoins reduce transaction costs and processing times by leveraging blockchain technology, bypassing traditional intermediaries. This efficiency could reshape global trade and settlement systems.
Can stablecoins challenge central bank digital currencies (CBDCs)?
Yes, stablecoins introduce competition for CBDCs by offering decentralized, efficient payment alternatives. However, they also prompt regulators to enhance frameworks for digital monetary systems.
What is China's approach to stablecoins?
China is advancing its digital yuan (e-CNY) and exploring multi-CBDC bridges for cross-border payments. Hong Kong has enacted stablecoin regulations, while mainland China focuses on real-economy applications like supply chain finance.