Stablecoins 101 for Payments Professionals

Last updated: May 2026 | Originally published July 2025

What are Stablecoins and Why do They Matter for Payments?

Stablecoins are digital currencies designed to maintain a stable value by pegging to a reserve asset, most commonly the U.S. dollar. Unlike Bitcoin or Ethereum, whose prices are subject to volatility, stablecoins hold their peg while preserving the core advantages of blockchain: fast, global, programmable, always-on settlement.

For payments professionals, that combination is significant. Stablecoins are a new payment rail, with $33 trillion in stablecoin transactions processed in 2025, a 72% year-over-year increase. Supply crossed $315 billion by end of Q1 2026. Over 232 million holders globally are now using them.

This guide focuses specifically on fiat-backed stablecoins and their role in the payments ecosystem. Whether you work in a bank, a fintech, or a PSP, this is the foundation you need to understand how stablecoins work, where they are already driving value, and how to build on them responsibly.

What Types of Stablecoins Exist, and Which Should Payments Teams Care About?

Stablecoins fall into four primary categories based on how they maintain their peg. Only one dominates enterprise payments use cases.

1. Fiat-Backed

Backed 1:1 by fiat or government securities. Regulatory-compatible, institutionally adopted, operationally resilient. Examples: USDC, USDT, PYUSD, EURC, EURI.

These are the most common and widely used stablecoins in payments. They offer the familiarity and regulatory alignment of traditional currencies, combined with the speed and programmability of blockchain. For every token in circulation, an equivalent amount of fiat or liquid assets is held in reserve, typically in segregated, bankruptcy-remote accounts subject to regular attestation or audit.

2. Commodity-Backed

Pegged to physical assets like gold. Used for niche commodity settlement and rarely seen in payment flows. Examples: PAXG, VNXAU.

3. Crypto-Backed

Backed by overcollateralized crypto assets. More common in DeFi than enterprise payments. Decentralized nature appeals to Web3 platforms but presents challenges in regulatory and institutional contexts. Examples: DAI, USDX.

4. Algorithmic

No collateral, relies on algorithmic supply and demand management. High-risk. TerraUSD’s 2022 collapse illustrated systemic fragility. Not suitable for enterprise use. Examples: TerraUSD (defunct), Ethena USDe (hybrid).

Fiat-backed stablecoins account for more than 90% of total stablecoin supply and represent the only category with meaningful institutional and regulatory traction today. 

How Do Fiat-Backed Stablecoins Actually Stay Stable?

Stability is not automatic but rather engineered through a combination of reserve management, redemption mechanics, market arbitrage, and legal structure.

1. The Issuer’s Role

Every fiat-backed stablecoin begins with an issuer who creates, manages, and redeems the token. Leading examples include Circle (USDC, EURC), Tether (USDT), and PayPal via Paxos (PYUSD). Bank-issued variants include JPMorgan’s JPM Coin and Banking Circle’s EURI. The issuer sets reserve backing, redemption terms, and transparency standards, all of which directly determine whether the peg holds under stress.

2. Reserves and Asset Backing

Stablecoins maintain their peg by holding reserves of fiat or low-risk equivalents (typically U.S. Treasury bills) in segregated, bankruptcy-remote accounts. Circle holds USDC reserves in government money market funds managed by BlackRock, custodied at BNY Mellon. Most issuers target a 1:1 ratio. Regulations like MiCA and the U.S. GENIUS Act codify exactly which reserve assets are permitted.

3. Primary Redemption

Verified institutional users can redeem stablecoins directly with issuers at a fixed 1:1 rate. This redemption pathway acts as a price floor and is critical to maintaining market confidence, especially in periods of stress.

4. Secondary Market Arbitrage

If USDC trades at $0.99, traders buy and redeem it for $1.00, pushing the price back up. If it rises above $1.00, issuers mint new tokens and sell, increasing supply and pushing the price down. This automated arbitrage is one of the most powerful stabilizing forces in the market.

5. Transparency and Audits

Circle publishes daily attestations. Paxos publishes monthly disclosures. Tether now shares quarterly reserve breakdowns. Issuers with more frequent, detailed reporting earn more market trust and reduced depegging risk.

6. Custody and Legal Protections

Regulated issuers store funds in segregated accounts with top-tier custodians, complying with legal structures that insulate reserves from issuer financial risk. This legal firewall helps ensure user funds remain accessible and the stablecoin remains redeemable even if the issuer goes under.

7. Regulatory Oversight

Frameworks like MiCA (EU), MAS regulations (Singapore), and the proposed GENIUS Act (U.S.) define what issuers can hold, how they disclose reserves, and who can issue stablecoins. These types of regulatory frameworks are important for moving the space toward licensed issuance, auditable reserves, and stronger consumer protections.

When Silicon Valley Bank collapsed, Circle temporarily lost access to a portion of USDC reserves, triggering a brief de-peg. Transparent communication and proof that the majority of reserves were safe allowed the peg to recover within days, illustrating both the vulnerability to banking risk and the critical importance of reserve transparency.

Where Are Fiat-Backed Stablecoins Already Being Used in Payments?

Stablecoins are not theoretical infrastructure. They are actively in use across cross-border payments, treasury operations, merchant settlement, and mass payouts, with a fundamentally different performance profile from traditional rails.

Traditional Rails vs. Stablecoin Payments

1. Cross-Border Payments

Stablecoins reduce remittance fees from 6%+ to basis points. PayPal (Xoom), MoneyGram (via Stellar), and Bitso Business are live examples of the “stablecoin sandwich” model: fiat → stablecoin → fiat — settling in minutes across corridors that traditionally take days. For businesses, this means faster supplier payments, better liquidity, and predictable cash flow across borders.

2. Treasury Management

Traditional treasury management and operations are fragmented, slow, and manually intensive. Stablecoins enable 24/7 liquidity management: automated cash sweeps, reduced FX exposure on intercompany flows, and real-time reconciliation without overnight batch processing. In Asia, 41% of institutions cited liquidity management as their top stablecoin use case in Fireblocks’ State of Stablecoins 2025 report. Visa uses stablecoins for internal treasury operations.

3. Stablecoin Payouts

Payouts to freelancers, contractors, and suppliers that once took days now happen instantly, regardless of banking hours or recipient geography. Stripe (via Bridge) and others offer mass payout rails with stablecoin options, increasing financial inclusion for recipients without traditional bank accounts.

4. Merchant Settlement

Rather than waiting for card network cycles or ACH batches, merchants can receive stablecoin payouts in real time. Worldpay enables instant merchant settlement in stablecoins. Triple-A offers embedded rails for traditional and crypto-native merchants. Benefits include T+0 settlement 24/7/365, processing fee savings that can exceed 50% vs. cards, and elimination of chargeback risk.

5. Crypto Pay-ins

In regions with high crypto adoption or currency volatility, consumers are increasingly using stablecoins at checkout. In Latin America, 54% of surveyed firms report live stablecoin integrations, and 75% cite growing customer demand. Domestic examples include BRL1 (Brazil) and $COPW (Colombia).

How Do Payment Firms and Institutions Embed Stablecoins?

Integrating stablecoins requires more than adding a token; it means building a coordinated infrastructure of custody, network access, APIs, and reconciliation. Most firms start with third-party partners, then move toward direct control as internal expertise and regulatory clarity mature. This journey from “Crypto-Remote” to “Crypto-Inside” increasingly takes months, not years. But firms with the right infrastructure partner are live in weeks, not quarters.

That expansion can include: creating stablecoin payment accounts with our white-labeled Wallets-as-a-Service solution; integrating embedded wallets so that retail consumers can custody their own private keys; enabling instant merchant settlement with stablecoins; automating treasury and reconciliation workflows; and beyond.

1. Custody and Wallet Infrastructure

Stablecoins must be securely held before they can move. Most payment firms implement custodial or self-custodial wallet models depending on regulatory posture and desired control. Best practices include:

• Compatibility with internal ledgering and treasury systems
• Segregated wallets per client or use case
• Granular access controls to mitigate operational risk
• Pre-transaction simulation and approval workflows

2. Blockchain Network Access

Stablecoin transactions settle on blockchains with distinct trade-offs in speed, cost, and ecosystem compatibility:

• Ethereum — dominant in institutional finance and DeFi, highly secure, relatively higher cost
• Solana, Tron, BSC — cost-effective and fast, often favored in emerging markets
• Polygon, Stellar, XRP Ledger — optimized for specific geographies or use cases

Most firms select multiple blockchains to balance reliability with regional cost and latency needs. Integration typically requires onchain transaction management, cross-chain routing, and interoperability tools.

3. APIs for Checkout and Settlement

APIs abstract blockchain complexity and connect on-chain assets to front-end interfaces and back-office systems. Well-implemented APIs power stablecoin acceptance at checkout, real-time merchant settlement, mass payouts, and internal disbursements. All with integrated KYC/KYB and compliance workflows embedded behind the scenes.

4. Multi-Stablecoin Support, FX, and Reconciliation

With USDC, PYUSD, EURC, FDUSD, and others in circulation, payment platforms must manage stablecoin-to-stablecoin and fiat-to-stablecoin FX, dynamic pricing and routing, and automated reconciliation that maps on-chain flows to internal ledgers or ERP systems.

See a full breakdown of what payments companies evaluating stablecoin infrastructure should consider.

What Are the Risks of Integrating Stablecoins into Payment Infrastructure?

1. Regulatory Compliance and AML

AML, CTF, KYC, and FATF Travel Rule requirements apply to stablecoin transactions, but enforcement varies widely across jurisdictions. Blockchain transactions are pseudonymous and irreversible, complicating regulatory enforcement. Firms need jurisdiction-aware compliance workflows, real-time transaction monitoring, and anomaly detection as baseline capabilities.

2. Operational and Smart Contract Risk

Blockchain transactions are irreversible. Smart contract vulnerabilities, node failures, or chain congestion can disrupt processing. Key management failures can result in total loss of wallet access. Unlike traditional rails, there is no established dispute resolution pathway, requiring new forms of resilience: simulation tools, layered approvals, and MPC-based wallet systems. MPC-based key management should be the benchmark. It’s what best-in-class looks like for the most secure custody model. 

3. Reserve Transparency and Redemption Risk

Not all issuers offer audited reserve disclosures. Stablecoins lacking transparency carry depegging risk. Strong practices include 1:1 backing in high-quality liquid assets, segregated bankruptcy-remote accounts, and independent attestations. Payment firms should evaluate issuers carefully, favoring those with proven reserve integrity.

4. Market Fragmentation

With over 200 stablecoins in circulation, fragmentation raises costs and complicates reconciliation. Firms operating across geographies must support multiple stablecoins across different chains, liquidity conditions, and technical standards. Addressing this requires FX routing tools, canonical cross-chain solutions, and unified orchestration platforms.

What Does the Regulatory Landscape for Stablecoins Look Like in 2026?

Regulatory clarity defines what issuers can hold in reserve, how they disclose it, and who can issue stablecoins. Without it, enterprise adoption is constrained by legal uncertainty. With it, institutions gain the guardrails needed to integrate stablecoins into compliance programs alongside traditional rails.

Banking Circle’s EURI, the first MiCA-compliant stablecoin, is one example of how European institutions are moving quickly under clearer regulatory frameworks.

Where is Stablecoin Adoption Heading?

Stablecoins are moving from crypto-native experimentation into foundational financial infrastructure. Several concurrent trends are accelerating this shift.

Growth in B2B Payments, PSPs, and Corporate Treasury

B2B stablecoin payments surged from under $100 million monthly in early 2023 to over $6 billion by mid-2025. Fireblocks processes over $200 billion in monthly stablecoin volume. PSPs are integrating stablecoin infrastructure for real-time, low-cost cross-market transactions. Enterprises are using stablecoins for liquidity management, intercompany transfers, and automated treasury workflows.

Integration with Traditional Finance Infrastructure

Visa’s stablecoin settlement volume hit a $4.5 billion annualized run rate by January 2026, up 460% year-over-year. Mastercard joined Paxos’ Global Dollar Network. SoFi, Coinbase, Fiserv, and PayPal have each launched stablecoin financial products in 2025. The distinction between “crypto rails” and “traditional rails” is rapidly collapsing.

Programmable Money

Smart contracts enable conditional and automated payments without manual intervention (think escrow, milestone-triggered disbursements, automated liquidity provisioning). API-driven orchestration platforms now abstract blockchain complexity, enabling direct integration with ERP systems, payment processors, and treasury management platforms.

Regulatory Momentum

With MiCA live in the EU, the GENIUS Act advancing in the U.S., and Singapore and Hong Kong maintaining robust frameworks, institutional confidence is building. For payment firms, the path forward is clear: build on secure, scalable, compliant stablecoin foundations and move from crypto-curious to crypto-confident.

For payments companies interested in exploring stablecoin infrastructure, read our buyer’s guide for PSPs and B2B payment providers. 

For remittance providers interested in stablecoin infrastructure, read our buyer’s guide for remittance companies.

For banks interested in exploring stablecoins and stablecoin issuance, read our buyer’s guide for banks.