SoFi Bank, N.A. on September 22 became the first nationally chartered, FDIC-insured U.S. bank to settle card transactions using a bank-issued stablecoin across Mastercard's global payments network. The program covers SoFi's entire debit and credit card portfolio — $25 billion in annualized volume...
"In six months, SoFi and Mastercard took stablecoin settlement from an idea to a live product that materially improves how money moves for businesses." — Anthony Noto, CEO, SoFi Technologies
SoFi Bank, N.A. on September 22 became the first nationally chartered, FDIC-insured U.S. bank to settle card transactions using a bank-issued stablecoin across Mastercard's global payments network. The program covers SoFi's entire debit and credit card portfolio — $25 billion in annualized volume — settled through SoFiUSD, an OCC-regulated token backed 85% by short-term U.S. Treasury bills and 15% by cash held at FDIC-insured institutions. Roughly 70% of SoFiUSD's $332 million in circulation runs on Solana; the remainder sits on Ethereum.
One day later, on September 23, the New York Stock Exchange and Blockchain.com signed a memorandum of understanding to distribute tokenized U.S. equities and ETFs through NYSE's digital Alternative Trading System to Blockchain.com's 44 million confirmed accounts. The arrangement, pending regulatory approval, follows the SEC's September 17 Innovation Exemption — a five-year pilot framework permitting tokenized stock trading.
These are not pilot programs or memoranda of intent. SoFi's settlement is live in production. NYSE's digital ATS, while still subject to final clearance, operates under an explicit regulatory pathway that did not exist 10 days ago. Both developments mark a shift from institutional experimentation to infrastructure deployment.
SoFi Bank migrated its entire card program to stablecoin settlement rails on September 22, 2026. The integration routes all debit and credit card transactions through SoFiUSD on-chain via Mastercard's multi-chain infrastructure. According to Mastercard Global Head of Digital Commercialization Sherri Haymond, "Stablecoins become meaningful when they solve real problems that businesses face."
The program operates at meaningful scale. SoFi's card portfolio processes over $25 billion in annualized volume. Under the new architecture, merchants receive settlement funds instantly in a SoFi Bank account, with 24/7 withdrawal access at zero cost. No merchant integration changes are required — the on-chain settlement layer sits behind Mastercard's existing rails.
The partnership moved from announcement to live production in six months. SoFi and Mastercard disclosed their collaboration in March 2026. By September, the system was handling real transaction volume across a nationally chartered bank's card book.
SoFi Bank is regulated by the Office of the Comptroller of the Currency and holds FDIC insurance. No other institution with this regulatory profile has previously deployed stablecoin settlement in production on a major card network.
SoFiUSD is issued as both an ERC-20 token on Ethereum and an SPL token on Solana. As of late August 2026, total circulation stood at approximately $332 million. Solana carries $232.6 million (70%) of total supply; Ethereum holds the remaining $100 million (30%).
The reserve portfolio is structured as follows:
Reserves are held in segregated accounts at the Federal Reserve Bank of San Francisco. Deloitte conducts monthly attestations. SoFi publishes reserve composition daily on its website.
The choice of Solana for the majority of supply reflects practical settlement economics: sub-second finality and sub-cent transaction fees versus traditional 1-2 business day settlement windows. SoFi and BitGo provide institutional partners with endpoints for minting, redeeming, balance checking, and initiating transfers.
For context, SoFiUSD's supply tripled from $100 million to $300 million in five weeks during June 2026. All of that growth occurred on Solana while the Ethereum deployment remained flat. This pattern suggests institutional demand is price-sensitive to execution costs even within regulated stablecoin products.
As a comparison point, USDC on Solana stood at $8.09 billion across 9.12 million wallets as of September 23, 2026. Visa's USDC settlement program on Solana was running at a $7 billion annualized rate by mid-2026. SoFiUSD, at $332 million, is a fraction of these numbers — but it is the only bank-issued stablecoin among them.
NYSE Group and Blockchain.com signed an MOU on September 23 outlining a distribution arrangement for tokenized U.S. exchange-listed equities and ETFs. The agreement provides Blockchain.com's 44 million confirmed accounts with access to NYSE's digital ATS, pending regulatory approvals.
Lynn Martin, NYSE Group President, stated: "The future of capital markets belongs to institutions that unite the trust of traditional finance with the innovation and accessibility of digital assets."
Peter Smith, CEO of Blockchain.com, framed the deal in access terms: "People shouldn't be limited in owning stocks based on where they happen to live or the brokerage and information they may or may not have access to."
The arrangement includes a bidirectional data-sharing component. ICE Data Services — part of NYSE parent Intercontinental Exchange — will distribute Blockchain.com's crypto market data and analytics to its institutional client base. In return, Blockchain.com will incorporate NYSE and ICE exchange data into its consumer-facing app.
Blockchain.com already operates tokenized equity services outside the U.S. through a partnership with Ondo Finance. The firm expanded tokenized stock and ETF access to eligible users across 30 European Economic Area countries in February 2026, and had previously made over 200 tokenized securities available in Africa and South America in 2025.
The SEC's Innovation Exemption, issued September 17, creates a five-year regulatory sandbox for tokenized stock trading. NYSE's digital ATS has not yet launched, and no specific timeline has been disclosed. The MOU is explicitly conditional on receiving all required regulatory approvals.
The Citi Institute forecasts a $5.5 trillion tokenized assets market by 2030. Current tokenized equities stand at approximately $2.4 billion, according to recent market data — meaning the sector would need to grow roughly 2,290x in four years to meet that projection.
SoFi is not Mastercard's only stablecoin settlement partner. On June 3, 2026, Mastercard announced support for on-chain card settlement using six regulated stablecoins: USDC, RLUSD, PYUSD, USDG, USDP, and SoFiUSD. Settlement is available across eight blockchains: Ethereum, Solana, Polygon, Base, Arbitrum, XRPL, and two others.
The framework allows issuers and acquirers to settle card transactions intraday, on weekends, and on holidays — a structural advantage over traditional T+1 or T+2 settlement windows.
Early adopters beyond SoFi include ARQ (formerly DolarApp), CBW Bank, Cross River, Lead Bank, and Nuvei — initially in the United States and Latin America. Further expansion is planned through the remainder of 2026.
Visa operates a parallel stablecoin settlement program, primarily using USDC on Solana. The two networks are building competing but architecturally similar infrastructure for on-chain card settlement. Neither has disclosed total settled volume across all stablecoin partners.
SoFi Technologies (NASDAQ: SOFI) shares opened at $17.765 on September 22, up from a prior close of $16.970 — a gain of approximately 4.68% in early trading. The stock closed up roughly 3% on the day.
The company reported Q2 2026 results on July 29, posting record adjusted net revenue of $1.2 billion (up 40% year-over-year) and net income of $157 million. SoFi added a record 1.1 million new members in the quarter, bringing total membership to 15.8 million — a 35% year-over-year increase.
Management raised full-year 2026 adjusted net revenue guidance to $4.75 billion–$4.85 billion, implying 32%–35% growth. Adjusted EBITDA guidance held at approximately $1.6 billion (33%–34% margin). EPS guidance stands at approximately $0.60.
The stablecoin settlement program represents a new revenue line item. Settlement float, interchange optimization, and reduced counterparty risk could contribute incremental margin, though the company has not broken out specific financial impact.
Both developments redistribute where economic value accrues in financial services infrastructure.
Settlement economics. Traditional card settlement involves correspondent banks, clearing houses, and overnight batch processing. SoFi's model eliminates intermediary float by settling on-chain in near-real-time. The economic question is who captures the value previously extracted by settlement intermediaries — the issuing bank, the network, or the merchant.
Data monetization. The NYSE-Blockchain.com data exchange is a two-way pipeline. Traditional finance data flows to crypto users; crypto market data flows to institutional clients. This creates a new data product at the intersection of asset classes, with ICE Data Services positioned as the aggregator.
Regulatory arbitrage window. SoFi's OCC charter and the SEC's Innovation Exemption create a temporary advantage for first movers. The 21-bank stablecoin consortium (Goldman Sachs, Citi, Bank of America, Deutsche Bank, UBS, and others) announced on September 1 is targeting a 2027 launch. SoFi is already live. The duration of this head start depends on how quickly consortium members can replicate the architecture under their own regulatory frameworks.
Chain selection. SoFiUSD's 70/30 Solana-Ethereum split, with all incremental growth on Solana, provides a data point on institutional chain preference when execution cost is a primary criterion. This aligns with Visa's Solana-centric USDC settlement but diverges from the multi-chain approach favored by Mastercard's broader framework.
September 22–23, 2026, produced two data points that share a common trait: traditional financial institutions moving blockchain infrastructure from sandbox to production. SoFi's stablecoin settlement is processing real card volume on Mastercard's network. NYSE's tokenized equities platform has a regulatory pathway and a 44-million-account distribution partner.
The question is no longer whether established financial institutions will adopt blockchain rails. The data shows they are. The remaining questions are narrower: which settlement chains capture volume, which stablecoin issuers capture float, and how quickly the 21-bank consortium closes SoFi's head start.
The global stablecoin market sits at approximately $302.8 billion. SoFiUSD's $332 million is a rounding error. But it is a rounding error that settles $25 billion in card volume through a nationally chartered bank on a public, permissionless blockchain. Scale follows infrastructure. The infrastructure is now live.