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SoFi Stablecoin (SoFiUSD) Explained: Chains, Reserves and How It Works

SoFiUSD (SOFID) is the SoFi stablecoin, issued by SoFi Bank, N.A.: redeemable 1:1, live on Ethereum, Solana and Polygon, with monthly attestations. Not FDIC insured.

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SoFi Stablecoin (SoFiUSD) Explained: Chains, Reserves and How It Works


SoFiUSD (onchain ticker SOFID) is the SoFi stablecoin: a U.S. dollar token issued by SoFi Bank, N.A., an OCC-regulated national bank. SoFi launched it on December 18, 2025, opened it to members in the SoFi app on May 27, 2026, and since November 12, 2026 SoFiUSD has been live on Polygon alongside Ethereum and Solana, per the Polygon Labs release. Each SOFID is redeemable 1:1 for U.S. dollars, and SoFi states that SOFID is not a deposit and is not insured by the FDIC or SIPC. It is a concrete example of a regulated bank moving dollar balances onto public blockchains rather than a private ledger.
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SoFiUSD in 2026: What Changed

Four developments since launch change how SoFiUSD is used.

  • Member access (May 27, 2026). SoFi made SoFiUSD available to buy, sell, hold, and convert in the SoFi app, then describing its base as nearly 15 million members, per SoFi's May 27 release. The same release named Bullish as the planned first centralized exchange partner.

  • Card settlement on Mastercard (September 22, 2026). SoFi said stablecoin settlement is live across SoFi Bank's debit and credit card program, and that it is migrating its entire $25 billion card program to settlement in SoFiUSD, per SoFi and Mastercard.

  • Monthly attestations. SoFi publishes monthly attestation reports on its SoFiUSD page, covering month-ends from March through September 2026. The May release says the attestations are performed by an independent CPA licensed in the United States.

  • Polygon (November 12, 2026). SoFiUSD joined USDC, USDT, and PYUSD on Polygon Open Money Stack, and SoFi members can use it on Polygon inside the SoFi app without a separate wallet or manual bridging, per Polygon Labs' announcement, which cites over 17 million SoFi members.

Contract addresses SoFi links to: Ethereum 0x0CB6d03B0aC88A463F67B7Ad99f9f3ec4678092E; Solana APhcqtzE73es3KAGiVksZFMLGwJDiAey5qZKUrQHEHfS. Check any address against SoFi's SoFiUSD page before sending funds, since tokens with copied names exist on most chains.
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Reserves, in SoFi's words: reserves consist primarily of cash and are held in cash and cash equivalents, and are not dependent on commercial paper. SoFi Earn (SOFIE) is a separate product: a tokenized deposit that SoFi says is eligible for FDIC insurance, which SOFID is not.
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What Is SoFiUSD?

SoFiUSD is a dollar-pegged digital token issued by SoFi Bank, N.A., a nationally chartered bank regulated by the OCC. The token itself is not a deposit and is not FDIC insured. It launched on the Ethereum blockchain as an ERC-20 token, maintaining a 1:1 backing with U.S. dollar cash reserves held at SoFi Bank, whose deposits sit in the bank's Federal Reserve master account.
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Here is the structural difference that matters. Unlike stablecoins issued by nonbank companies such as Tether or Circle, SoFiUSD is issued by a regulated bank under the supervision of the Office of the Comptroller of the Currency (OCC). Because it is backed primarily by cash and redeemable 1:1 against bank deposits, several analysts have argued SoFiUSD functions closer to a tokenized bank deposit, similar in structure to JPMorgan's JPM Coin, than to a reserve-backed payment stablecoin. SoFi markets it as a stablecoin, and the primarily-cash backing is its central differentiator from competitors holding mixed Treasury collateral.
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SoFi runs the issuance and custody infrastructure through BitGo's stablecoin-as-a-service platform, which handles minting, custody, and connectivity to payment providers, market makers, and exchanges. At launch SoFiUSD operated for institutional and internal settlement, with SoFi saying consumer access for its members would follow, per SoFi's launch announcement. SoFi also positions the underlying infrastructure as a white-label solution for other banks, fintechs, and enterprise platforms that want to issue their own branded stablecoins.
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How SoFiUSD Works: Technical Architecture

SoFiUSD functions through a mint-and-burn mechanism tied to cash deposits. When a partner deposits U.S. dollars with SoFi Bank, an equivalent amount of SoFiUSD is minted on-chain; when redemption occurs, the tokens are burned and the underlying cash is released. SoFi describes conversions between dollars and SoFiUSD as instant, with reserves held by SoFi Bank.
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The reserve structure differs from many crypto-native competitors: rather than a mix of Treasury bills, repurchase agreements, and other cash equivalents, SoFi says SoFiUSD reserves consist primarily of cash, held in cash and cash equivalents. Independent third-party auditors provide attestations on the reserves.
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The blockchain layer allows 24/7 settlement, a contrast to traditional rails like ACH or wires that run on limited banking hours with multi-day delays. SoFiUSD launched on Ethereum, and in early 2026 SoFi announced it would add Solana, citing settlement speed, throughput, and sub-penny fees as better suited to always-on payments. On April 2, 2026, SoFi launched its Big Business Banking platform, which uses Solana for real-time settlement with SoFiUSD at its center and runs on the bank's Federal Reserve master account.
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Why Banks Are Entering the Stablecoin Market

SoFi's launch followed passage of the GENIUS Act in July 2025. This federal legislation established the first comprehensive regulatory framework for payment stablecoins in the United States, creating clear pathways for banks and credit unions to issue dollar-backed tokens through regulated subsidiaries.
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Under the GENIUS Act, federally insured depository institutions can issue stablecoins with approval from their primary federal regulator. These regulated issuers must maintain 1:1 reserves in specified high-quality assets, publish monthly attestations by independent accounting firms, and comply with Bank Secrecy Act requirements. The legislation prohibits payment of interest on stablecoins, a provision designed to prevent disintermediation of traditional bank deposits while still enabling utility as a payment rail.
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The regulatory clarity has prompted multiple banks to announce stablecoin initiatives. Citigroup and PNC have disclosed plans to work with Coinbase's crypto-as-a-service infrastructure, while JPMorgan Chase has deployed its own deposit token on a private blockchain rather than a public network. The Federal Deposit Insurance Corporation has proposed formal procedures for banks seeking to issue stablecoins through subsidiaries.
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Stablecoin Infrastructure vs Traditional Payment Rails

The economic case for stablecoin infrastructure centers on three advantages: speed, cost, and programmability.
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Traditional cross-border payments move through correspondent banking networks that can involve multiple intermediaries, each adding fees and processing delays. A typical international wire transfer might cost $30-50 and take 2-5 business days to settle. In contrast, stablecoin transfers settle in seconds or minutes for a fraction of a cent in transaction fees.
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McKinsey research indicates the global payments market processes between $5 trillion and $7 trillion daily through legacy systems, while stablecoins facilitate roughly $30 billion in daily transaction volume. Though still a small fraction, stablecoin payment volume grew sharply in 2025, suggesting rapid adoption momentum.
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The programmability dimension matters because blockchain-based tokens can embed logic for automated payments, escrow conditions, or compliance checks, capabilities that are hard to replicate with traditional bank transfers. For treasury management, instant settlement improves working capital efficiency by eliminating the multi-day float inherent in ACH or wire systems.
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Use Cases for Bank-Issued Stablecoins

SoFi's infrastructure targets several market segments where instant settlement and transparent reserves create value.
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For enterprise B2B payments, stablecoins remove the delays and uncertainty of international transfers. A manufacturer paying overseas suppliers can send payment in near real time rather than waiting days for wires to clear multiple correspondent banks. The transparency of blockchain settlement gives both parties cryptographic proof of payment, reducing disputes and reconciliation work.
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In remittances and cross-border consumer payments, stablecoins offer a lower-cost alternative to legacy transfer services. International Monetary Fund analysis notes that some traditional remittances cost up to 20% of the transfer amount, creating a clear efficiency gap for digital alternatives.
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Card network settlement is another target use case. Card payments typically settle to merchants in 2-3 business days, creating working capital constraints for small businesses. Instant stablecoin settlement lets merchants access funds sooner, improving cash flow.
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SoFi integrates SoFiUSD into its Galileo payments platform, which serves fintech and bank partners at scale per SoFi's launch announcement. This distribution channel can drive adoption without requiring end users to interact with blockchain infrastructure directly. SoFi's April 2026 Big Business Banking platform also lets companies hold dollars, SoFiUSD, and select cryptocurrencies in one regulated account, with early participants including Mastercard, Galaxy, Wintermute, Cumberland, Fireblocks, and BitGo.
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White-Label Stablecoin Infrastructure

A distinctive element of SoFi's approach is the white-label infrastructure offering. Rather than only issuing its own token, SoFi enables partners to launch branded stablecoins that leverage SoFi Bank's regulatory framework alongside BitGo's issuance and custody infrastructure.
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This model addresses a real pain point: building compliant stablecoin infrastructure from scratch typically requires a long runway of regulatory licensing, engineering, and operational setup. Industry precedent suggests white-label solutions can compress time-to-market from years to weeks.
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White-label tokens built on the same framework can interoperate with SoFiUSD, creating network effects as more institutions join. A stablecoin issued by a regional bank using SoFi's infrastructure could move to a fintech partner's stablecoin when both share the same regulatory framework and reserve structure.
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This interoperability matters because fragmented stablecoin liquidity has historically limited utility. Moving between different stablecoins often requires trading through intermediary tokens or centralized exchanges, introducing friction and slippage. A standardized infrastructure layer lets different branded tokens function as fungible units within the same settlement system.
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How SoFiUSD Compares to Other Stablecoins

The stablecoin landscape includes several dominant players, each with distinct backing mechanisms and regulatory postures.
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Tether's USDT commands the largest market share, backed by a mix of short-term Treasury bills, repos, and cash. USDT has faced persistent scrutiny over reserve transparency, including a $41 million settlement ordered by the CFTC in October 2021 over how it described its backing. While widely used in crypto trading and emerging-market remittances, USDT operates without direct U.S. banking oversight.
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Circle's USDC is the second-largest stablecoin, with reserves consisting primarily of short-dated U.S. Treasuries and cash held at regulated financial institutions. USDC publishes monthly attestations by independent auditors. Circle has pursued a national trust bank charter, which would move it closer to the regulatory model SoFi already operates under.
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SoFiUSD's distinguishing characteristics center on three factors: direct issuance by a nationally chartered bank, reserves consisting primarily of cash rather than mixed Treasury collateral, and infrastructure designed for institutional distribution and white-label issuance rather than retail crypto trading.
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The regulatory positioning under federal banking supervision gives risk-averse institutional partners a counterparty subject to OCC oversight, FDIC examination, and standard banking capital requirements, backstops absent from nonbank issuers.
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Cross-Chain Stablecoin Movement and Interoperability

The promise of stablecoins as universal digital dollars remains constrained by blockchain fragmentation. Stablecoins exist across dozens of blockchains, each with isolated liquidity pools and varying levels of institutional support. SoFiUSD itself now spans Ethereum, Solana, and, since November 12, 2026, Polygon, per Polygon Labs.
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Moving stablecoins between chains traditionally requires bridging protocols that lock tokens on one chain while minting equivalent tokens on the destination chain. This creates execution risk, particularly for larger transfers where fragmented liquidity leads to price slippage. Cross-chain bridges have also been frequent targets for exploits, with billions of dollars lost through smart contract vulnerabilities.
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Stablecoin routing infrastructure addresses these challenges through intent-based systems where users specify desired outcomes rather than explicit bridge paths. Specialized liquidity networks aggregate capital across multiple chains, providing deeper execution and tighter spreads for cross-chain stablecoin transfers.
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For institutions deploying stablecoins like SoFiUSD across multiple networks, cross-chain interoperability becomes essential plumbing. The ability to move value between Ethereum, Solana, Base, and other networks without manual bridging friction determines practical utility for treasury management and payment operations.
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Enterprise Integration and Technical Requirements

Deploying bank-issued stablecoins in enterprise environments requires addressing several technical and operational considerations.
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On the blockchain side, institutions need custody solutions for managing private keys, the cryptographic credentials that control stablecoin balances. SoFiUSD custody runs through BitGo, a qualified custodian, while other deployments range from self-custody via hardware security modules to providers like Fireblocks that offer insurance and institutional-grade security.
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For compliance and transaction monitoring, Know Your Transaction tools track onchain activity for patterns that might indicate money laundering or sanctions violations. Blockchain analytics providers like Chainalysis and Elliptic offer institutional-grade monitoring that integrates with existing Bank Secrecy Act compliance programs.
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API integration is the primary technical requirement for most implementations. SoFi and BitGo provide partners with endpoints for minting and redeeming SoFiUSD, checking balances, and initiating transfers. These interfaces abstract away blockchain complexity, letting partners interact with the token using familiar APIs rather than directly managing smart contract calls.
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Gas fee management matters for high-volume use cases. Every blockchain transaction requires network fees in the native token, ETH on Ethereum or SOL on Solana. Enterprises can implement gas abstraction layers that let end users pay fees in stablecoins rather than holding separate token balances for transaction costs.
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Regulatory Landscape and Compliance Requirements

The GENIUS Act framework establishes several categories of permitted stablecoin issuers with varying oversight requirements.
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Subsidiaries of federally insured banks may issue stablecoins with approval from their parent institution's primary federal regulator. For state-chartered banks supervised by the FDIC, this means applying with detailed documentation of reserve management practices, redemption policies, and operational controls. Regulators retain ongoing supervision authority.
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Nonbank entities can obtain federal stablecoin licenses through the Office of the Comptroller of the Currency, subject to the same baseline requirements around reserve composition, capital adequacy, and risk management, per the GENIUS Act (Public Law 119-27). State-licensed issuers remain an option for smaller operators under $10 billion in outstanding stablecoins, provided the state regime is certified as substantially similar to federal standards.
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Reserve composition rules restrict permitted backing to coins and currency, demand deposits at insured banks, short-dated Treasury securities, repurchase agreements backed by Treasuries, certain money market funds, and central bank reserves. The legislation forbids paying interest or yield to stablecoin holders.
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Monthly reporting requirements mandate disclosure of outstanding stablecoin amounts and reserve asset composition, examined by registered public accounting firms, per the GENIUS Act (Public Law 119-27). Issuers above $50 billion in circulation must submit audited annual financial statements. These transparency mandates address the opacity concerns tied to earlier stablecoin models.
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Market Impact and Competitive Dynamics

SoFi's entry into stablecoins reflects broader competitive repositioning as traditional banks weigh the threat and opportunity of tokenized money.
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From a business model perspective, stablecoin issuers generate revenue primarily by holding reserve assets. The GENIUS Act's prohibition on paying interest to stablecoin holders preserves this revenue model while preventing direct competition with traditional bank deposits, letting banks offer stablecoin services as payment rails without cannibalizing core deposit bases.
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For SoFi specifically, stablecoin infrastructure complements existing business lines. The company operates Galileo, which provides payment processing for fintech platforms, and offers cryptocurrency trading for retail customers. Adding stablecoin issuance and white-label services creates new B2B revenue streams while strengthening its position in digital financial infrastructure.
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The white-label model can generate recurring technology and custody fees from partner institutions, similar to banking-as-a-service economics. As regional banks and fintechs seek compliant stablecoin capabilities without building proprietary infrastructure, SoFi's turnkey approach, paired with BitGo, positions it to compete in institutional stablecoin issuance against the likes of Circle and Paxos.
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Future Developments and Industry Outlook

Several trends will likely shape bank-issued stablecoins over the next 18-24 months.
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Cross-chain expansion is already underway. SoFiUSD launched on Ethereum, added Solana in 2026, and went live on Polygon on November 12, 2026, per Polygon Labs. Layer-2 scaling solutions like Base, Arbitrum, and Optimism offer lower transaction costs and faster confirmation than Ethereum mainnet, making them attractive for high-frequency payment applications.
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Central bank digital currency initiatives may intersect with private stablecoins in complex ways. While the Federal Reserve continues researching a potential digital dollar, the timeline remains uncertain. Private stablecoins could serve as interim solutions that provide many of the same benefits, instant settlement, programmability, and 24/7 availability, while regulators evaluate longer-term approaches.
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Federal Reserve analysis suggests stablecoin growth could materially affect U.S. Treasury markets and monetary policy transmission. As stablecoin issuers become larger buyers of short-term government debt, their collective behavior may influence Treasury issuance strategy and market liquidity.
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International expansion presents both opportunity and complexity. Stablecoins have gained traction in emerging markets with weak banking infrastructure or currency instability. Many jurisdictions view dollar-denominated stablecoins as threats to monetary sovereignty, creating regulatory barriers. The European Union's MiCAR framework and Hong Kong's stablecoin regime represent alternative approaches that could fragment the global landscape.
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Risks and Considerations

Despite the structural features of bank-issued stablecoins, several risk categories warrant attention from institutions evaluating adoption.
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Operational and cyber risk remains elevated in blockchain environments. Smart contract vulnerabilities can lead to exploits, as shown by numerous protocol hacks in recent years. While bank-issued stablecoins benefit from institutional security practices and qualified custody, the underlying blockchain infrastructure introduces attack surfaces absent from traditional banking systems.
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Regulatory evolution continues, with implementing regulations for the GENIUS Act still being finalized by federal banking agencies. Open questions remain around access to Federal Reserve accounts, treatment of reserve assets in bank capital calculations, and cross-border coordination. There is also ongoing debate over whether cash-backed, deposit-redeemable tokens like SoFiUSD are best classified as stablecoins or as tokenized deposits, which could shape how they are regulated.
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Liquidity and redemption risk could emerge during periods of market stress, even for fully reserved tokens. The European Central Bank has highlighted concerns that stablecoin runs could propagate contagion to traditional financial markets.
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Privacy and surveillance considerations arise from blockchain transparency. While transaction immutability provides audit trails, it also means payment history remains permanently visible on public blockchains. This may conflict with commercial privacy expectations or create compliance challenges in jurisdictions with strict data protection requirements.
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Frequently Asked Questions

Is SoFiUSD live, and who issues it?
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Yes. SoFi launched SoFiUSD on December 18, 2025, per SoFi. It is issued by SoFi Bank, N.A., a nationally chartered bank regulated by the OCC. Its onchain ticker is SOFID. It runs on Ethereum, Solana, and Polygon.
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What makes SoFiUSD different from other stablecoins?
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SoFiUSD is issued by a federally chartered U.S. bank under OCC oversight, unlike stablecoins issued by nonbank companies. SoFi says its reserves consist primarily of cash rather than mixed Treasury collateral, which has led some analysts to describe it as closer to a tokenized bank deposit than a conventional stablecoin.
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Can individuals use SoFiUSD for personal transactions?
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Yes. Since May 27, 2026, SoFi members can buy, sell, hold, and convert SoFiUSD in the SoFi app, per SoFi, and can withdraw it to Solana or Ethereum wallet addresses. SoFiUSD is not FDIC insured; SoFi Earn, a separate tokenized deposit, is the FDIC-eligible option.
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How does SoFiUSD maintain its 1:1 dollar peg?
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SoFi Bank holds cash backing for every SoFiUSD token in circulation. When users deposit dollars, tokens are minted; when they redeem, tokens are burned and dollars are returned. SoFi publishes monthly attestation reports from an independent CPA on its SoFiUSD page.
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Which blockchains is SoFiUSD available on?
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Ethereum, Solana, and Polygon. Polygon was added on November 12, 2026 through Polygon Open Money Stack, per Polygon Labs.
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What regulatory oversight applies to SoFiUSD?
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As a token issued by SoFi Bank, N.A., SoFiUSD falls under supervision by the Office of the Comptroller of the Currency and must comply with Bank Secrecy Act requirements. The bank is subject to regular examination and must meet capital, liquidity, and risk management standards applicable to nationally chartered banks.
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