Summary
Japan's three largest banks plan joint stablecoin issuance as traditional financial institutions accelerate cross-border settlement and tokenized treasury deployments. Polygon payment volume reached $9.9 billion in H1 2026, African localized stablecoins grow 6x faster than dollar stablecoins, and B2B stablecoin payments are projected to surpass $1 trillion by 2030.
Traditional Finance Accelerates Entry: Japan's Three Largest Banks Unite for Stablecoin Issuance
Japan's financial system is undergoing a profound digital transformation. According to CoinDesk, Japan's three largest banks—Mitsubishi UFJ Financial Group (MUFG), Sumitomo Mitsui Financial Group (SMBC), and Mizuho Financial Group—plan to jointly issue a stablecoin by March 2026. This initiative marks a turning point where traditional banking in a major global economy begins to view stablecoins as critical financial infrastructure rather than mere cryptocurrency experimentation.
The joint action by these three banks is not an isolated event. Globally, traditional financial institutions are reassessing the role of stablecoins in cross-border payments, settlement, and liquidity management. Financial giants including Mastercard, JP Morgan, and Western Union have already deployed initiatives in cross-border settlement and tokenized treasury products, attempting to combine blockchain technology's efficiency advantages with traditional finance's compliance frameworks.
This shift stems from recognition of the limitations inherent in existing international payment systems. Traditional cross-border payments rely on intermediary networks like SWIFT, typically requiring days to settle and incurring substantial costs. Stablecoins offer a near-instantaneous, lower-cost alternative, with particularly pronounced advantages in business-to-business (B2B) payment scenarios.
The Japanese banks' initiative also reflects regulatory evolution. Japan's Financial Services Agency has established relatively clear frameworks for digital asset regulation, providing a compliant pathway for traditional institutions to enter the stablecoin space. This regulatory clarity may serve as a reference model for other markets seeking to balance innovation with consumer protection.
Explosive Payment Volume Growth: From Regional Practice to Global Trend
Data from the Polygon network provides compelling evidence of stablecoin payment growth. In the first half of 2026, payment volume on the network reached $9.9 billion, demonstrating that blockchain payment infrastructure is rapidly expanding into real-world applications. More strikingly, global B2B stablecoin payments reached $221 billion in 2025, with industry projections suggesting this figure will exceed $1 trillion by 2030.
This growth is not uniformly distributed. African markets exhibit unique vitality: localized stablecoins are growing at six times the rate of dollar-denominated stablecoins, covering over 100 fintech companies. This phenomenon reveals the differentiated value of stablecoins in emerging markets—in regions where currencies are unstable, dollar access is difficult, or cross-border remittance costs are prohibitive, localized stablecoins can better meet actual needs.
The African case also highlights the diversity of the stablecoin payment ecosystem. Unlike developed markets that primarily rely on dollar stablecoins such as USDT and USDC, emerging markets are exploring stablecoin solutions pegged to local currencies to reduce exchange rate risk and improve acceptance among local merchants. This regionalization strategy may become an important model for global stablecoin expansion.
Polygon's payment volume growth also reflects broader infrastructure maturation. Layer-2 scaling solutions and other blockchain platforms are reducing transaction costs and increasing throughput, making stablecoin payments viable for smaller-value transactions that were previously uneconomical. This technical progress is essential for stablecoins to compete with traditional payment rails in everyday commerce.
Infrastructure Competition: Traditional Finance's Defense and Innovation
Faced with stablecoins' rapid rise, major U.S. banks have not remained passive. According to industry sources, multiple American banks are jointly building tokenized deposit platforms, attempting to compete with stablecoins through regulated digital deposit products. This initiative reflects traditional financial institutions' dual strategy: embracing blockchain technology's efficiency advantages while maintaining control over payment infrastructure through regulated products.
Payment network giants Visa, Mastercard, and Stripe have chosen a more open path, supporting the development of emerging stablecoin payment platforms. These companies recognize that rather than resisting stablecoins, integrating them into existing payment networks allows them to build bridges between old and new systems. Visa's collaboration with Coinbase and Stripe's support for stablecoin settlement both exemplify this approach.
Meanwhile, DeFi protocols like Ethena are articulating visions of USDe as system-level dollar infrastructure. The investment by traditional asset managers like Janus Henderson and plans for ETF products indicate that institutional investors are beginning to view certain stablecoins as investable asset classes rather than merely payment tools. This cognitive shift may further drive stablecoin mainstreaming.
The competitive dynamics also reveal differing philosophies. Traditional banks emphasize regulatory compliance and integration with existing financial systems, while crypto-native platforms prioritize permissionless access and programmability. The eventual market structure may accommodate both approaches, with different stablecoin types serving different use cases and customer segments.
Compliance and Risk: Critical Challenges for Stablecoin Payments
Despite strong growth momentum, the stablecoin payment ecosystem faces numerous challenges. Regulatory compliance is the most prominent issue. Regulatory attitudes toward stablecoins vary dramatically across jurisdictions: the EU's MiCA regulation requires stablecoin issuers to hold banking licenses or e-money institution permits, while regulatory frameworks in some emerging markets remain unclear. The joint issuance plan by Japan's three largest banks is proceeding under the Financial Services Agency's regulatory framework, and this compliance pathway may serve as a reference for other markets.
Liquidity management is another key consideration. Stablecoins' value stability depends on adequate reserve assets and effective redemption mechanisms. Mainstream stablecoins like USDT and USDC have established relatively mature reserve management systems, but emerging stablecoins, especially localized ones, still need to prove themselves in terms of liquidity depth and redemption guarantees.
Additionally, cross-chain interoperability issues for stablecoin payments remain unresolved. Most stablecoins are currently locked to specific blockchains, and cross-chain transfers often require bridging protocols, increasing technical complexity and security risks. Whether unified stablecoin payment standards can be established will influence their position in the global payment system.
Regulatory uncertainty also creates operational challenges for institutions. Different jurisdictions may classify the same stablecoin differently—as a security, commodity, or payment instrument—leading to conflicting compliance requirements. This fragmentation increases costs and complexity for institutions seeking to deploy stablecoin payment solutions across multiple markets.
Outlook: The Future Landscape of Stablecoin Payments
From Japanese banking's joint action to African markets' localized practices to traditional payment networks' strategic adjustments, the global stablecoin payment ecosystem is rapidly evolving across multiple dimensions. Research by McKinsey and other consulting firms projects that by 2030, stablecoins may occupy a significant share of global cross-border payments, particularly in B2B payments and emerging market remittances.
The core driver of this transformation is efficiency improvement and cost reduction. The intermediary fees and time costs of traditional cross-border payments are increasingly difficult to accept in the digital age. Stablecoins offer the possibility of bypassing traditional intermediaries and settling directly peer-to-peer, with profound implications for global trade and financial flows.
However, the future of stablecoin payments is not predetermined. The evolution of regulatory policy, competition among technical standards, and the game between traditional financial institutions and crypto-native enterprises will all influence the ultimate landscape. For institutions, understanding the diversity and complexity of the stablecoin payment ecosystem, and evaluating the compliance, security, and scalability of different solutions, will be key to participating in this transformation.
Current market dynamics indicate that stablecoins are transitioning from peripheral cryptocurrency tools to important components of the mainstream financial system. This process will not be smooth, but the direction is clear: digitized, disintermediated, and globalized payment infrastructure is reshaping our understanding of money and payments. The question is no longer whether stablecoins will play a role in the future of payments, but rather which types of stablecoins, under what regulatory frameworks, and serving which market segments will ultimately prevail.
For institutional participants, the strategic imperative is to monitor regulatory developments, assess technical capabilities, and develop flexible frameworks that can accommodate multiple stablecoin types and use cases. The institutions that successfully navigate this transition will be those that balance innovation with risk management, and that recognize stablecoins not as a threat to traditional finance but as an evolution of payment infrastructure for a digital economy.
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