SoFi Bank Scales Stablecoin Settlement to $25B via Mastercard Network

SoFi Bank has become the first national bank to implement live stablecoin settlement across Mastercard’s global network, transitioning its entire card portfolio to blockchain-based rails. This shift represents a major milestone for fintech professionals, moving digital assets from experimental pilots into the core settlement layer of a high-volume, regulated retail banking environment at a multi-billion-dollar scale.

What was announced

SoFi Bank has officially migrated its complete debit and credit card program to a blockchain-based settlement model. This transition utilizes SoFiUSD, a stablecoin, to facilitate transactions across the Mastercard global payments network. The move is significant due to its scale; the program is projected to process more than $25 billion in annualized volume. Unlike previous industry pilots that focused on isolated use cases or limited user groups, this implementation covers the bank's full card issuance.

The integration is designed to be invisible to the end-user and the merchant. Customers continue to use their physical or digital cards as usual, and merchants receive payments without needing to interact with blockchain technology or manage digital wallets. The innovation occurs entirely within the back-end settlement layer, where the bank and the network clear transactions. This approach allows the institution to leverage the speed and efficiency of distributed ledger technology while maintaining the ubiquity of traditional card payments.

RS2, a payments technology provider, is central to this infrastructure shift. The development highlights the transition of stablecoins from a theoretical asset class to a functional component of national banking infrastructure. By embedding this technology into existing payment rails, the bank avoids the need for a total overhaul of consumer-facing systems while gaining the efficiencies associated with blockchain-based clearing and ledgering. The project demonstrates that modern issuing and clearing infrastructure can absorb new rails as a matter of configuration rather than a complete system rebuild.

"For banks watching from the sidelines, the question is less if new settlement models will reach their card programmes but whether their issuing, clearing and ledger infrastructure can absorb them without a rebuild. Institutions running rigid, siloed core platforms will find that every new rail becomes another major integration project. Those that have modernised their processing core will be able to adopt it as configuration rather than reconstruction."

Radi El Haj, Group Chief Executive Officer at RS2.

The companies involved

SoFi Bank operates as a prominent digital-first national bank in the United States, offering a suite of financial services including lending, investment, and deposit accounts. Mastercard is a global technology company in the payments industry, connecting consumers, financial institutions, merchants, and governments in more than 210 countries and territories. It maintains one of the world's most extensive payment processing networks, facilitating trillions of dollars in annual transaction volume.

RS2 is a global, cloud-native payments technology provider that offers end-to-end issuing and acquiring services on a single platform. The company provides its BankWORKS® platform for core processing, while RS2 SmartProcessing® handles managed services. Additionally, its Beyond by RS2® division provides licensing and regulatory enablement. RS2 focuses on enabling financial institutions to modernize their legacy infrastructure, allowing them to scale internationally and integrate new payment rails. The company’s technology is designed to consolidate disparate payment functions into a unified system, reducing the complexity typically associated with managing multiple regional or product-specific platforms.

What FF News has reported before

FF News has extensively tracked Mastercard’s efforts to integrate emerging technologies into traditional financial frameworks. Recently, the network collaborated with Citi to launch Smart Subscription Management in the UAE, a global first for the region. Mastercard has also been active in the intersection of artificial intelligence and commerce, partnering with Alchemy to launch AgentCard, a solution designed to power secure AI-driven transactions. Other recent industry developments in the card space include 3S Money’s launch of virtual debit cards for UK business spending and FMPay’s new acquiring and card payout model for mid-market fintechs.

What this means

This move signals the end of the "pilot phase" for stablecoins in mainstream retail banking. By moving $25 billion in volume onto blockchain-based settlement, SoFi is putting significant pressure on traditional legacy banks that still rely on batch-based, multi-day clearing cycles. The industry is moving toward a reality where the underlying rail is irrelevant to the consumer experience but critical for institutional liquidity and operational cost. The primary challenge now shifts to the laggards in the banking sector; those with rigid core systems face a widening competitive gap as modern platforms prove they can absorb new settlement technologies as simple configuration changes rather than multi-year engineering projects.