Stablecoins are becoming a part of day-to-day business for many reasons: faster cross-border payouts, near-instant settlement, and a way to move value globally without waiting on banking hours. The global stablecoin market is projected to grow to between $500 and $750 billion in value by 2028. But the advantages of stablecoins only hold up when the infrastructure underneath the stablecoin is solid.

The quality of this infrastructure is what separates a stablecoin that works reliably in production from one that only works in ideal conditions. Teams adopting stablecoins need to know how the asset behaves when volumes spike or when markets are stressed.

Below, we’ll explore how stablecoin infrastructure is built, which components matter most for reliability, where the potential risks are, and how to evaluate providers.

What’s in this article?

• What is stablecoin infrastructure?
  
• How does stablecoin issuance work?
  
• What options are there for stablecoin custody?
  
• What challenges affect stablecoin infrastructure?
  
• How can businesses choose a stablecoin infrastructure provider?
  
• How Stripe Payments can help
  

What is stablecoin infrastructure?

Stablecoin infrastructure is the set of systems that keep stablecoins functioning by maintaining steady value, reliable transfers, and predictable redemption. It’s a technological stack that spans financial operations, blockchain networks, custody systems, compliance tooling, and the application programming interfaces (APIs) businesses use to interact with all of it.

These are the primary pieces of stablecoin infrastructure.

Issuance and reserves

Fiat-backed stablecoins keep their value because every token corresponds to a fiat currency, such as the US dollar (USD), held in reserve. Issuers run minting and burning processes to ensure supply never exceeds their reserves, and they operate redemption systems that stay functional even in stressed markets. They manage reserves across cash and short-term instruments such as Treasury bills (T-bills).

Blockchain networks

Stablecoin transfers settle on public blockchains, and the choice of network directly affects speed, cost, and reliability. Different chains offer various speed and fee profiles, and congestion or downtime on any given chain can slow settlement or temporarily disrupt service. Many enterprise users spread their activity across multiple networks to reduce risk and broaden reach, often leaning on network-agnostic APIs instead of running their own nodes.

Wallets and custody

Because stablecoins are controlled by cryptographic keys, custody is a core part of the infrastructure. There are different types of stablecoin wallets to choose from to manage those keys, based on security and convenience priorities. Many businesses depend on secure systems that use hardware security modules (HSMs) or multiparty computation (MPC) setups for key storage, enforce approval and role-based controls, keep wallets separate, and monitor accounts in real time for unusual activity.

APIs and integration layers

Businesses don’t usually want to deal with raw blockchain mechanics, so they rely on APIs and integration layers that simplify the work. Payment APIs help them accept stablecoins, treasury APIs let them hold and move balances, payout networks automate large distributions, and onramps and offramps handle fiat conversion. Orchestration layers handle details such as gas fees, nonces, and confirmation logic, making stablecoin operations behave more like traditional payment flows.

Compliance and monitoring

Since stablecoins touch regulated financial systems, infrastructure also includes compliance and monitoring tools that handle identity checks, fraud screening, Anti-Money Laundering (AML) and sanctions workflows, and onchain transaction analysis. They also reconcile onchain balances with internal records. These systems support Travel Rule requirements where applicable and maintain the reporting pipelines that auditors and regulators expect.

How does stablecoin issuance work?

Stablecoin issuance is a tightly managed workflow that links traditional banking systems with a programmable token on a public blockchain. In a fiat-collateralized model, every token must map cleanly to an equivalent unit of currency in reserve.

There are other designs, such as crypto-collateralized issuance and purely algorithmic systems that rely on supply adjustments, but they can struggle under stress. Some can fail outright. During a market upheaval in 2022, the algorithmic stablecoin TerraUSD collapsed, wiping out nearly half a trillion dollars in crypto market value. Fiat-backed stablecoins with direct redemption rights and transparent reserves are the only structures that consistently meet enterprise risk standards for businesses.

Here’s how fiat-backed stablecoin issuance works.

Funds in, tokens out

Issuance starts with fiat moving into the issuer’s banking perimeter. This happens when a user wires dollars, or another currency, to a segregated, regulated account controlled by the issuer. The issuer confirms receipt, reconciles it internally, and assigns it to a specific user account. Once the funds clear, the issuer mints the corresponding amount of stablecoin onchain and sends those tokens to the user’s wallet address.

That minting event increases the stablecoin’s circulating supply and creates a matching liability on the issuer’s balance sheet. The system is constantly checking that the tokens outstanding do not exceed the reserves held.

Tokens in, funds out

Redemption reverses the aforementioned steps. The holder sends their tokens back to an address the issuer controls. The issuer verifies that the tokens are authentic and unencumbered, then burns them, permanently removing them from circulation. Burning reduces the circulating supply, and the issuer releases the corresponding fiat back to the user’s bank account.

This cycle has to work under both normal and high-stress conditions. The ability to redeem at par is what anchors the price of a stablecoin. Market makers and traders enforce that peg: if the price drifts below $1, redemption arbitrage pushes it back up; if it drifts above, minting pressure pushes it down.

Reserve operations keep the peg credible

Reserve operations keep the peg credible by holding fiat-backed stablecoins’ reserves in cash and short-term Treasurys with same- or next-day liquidity. They must also continuously manage duration risk, liquidity needs for redemptions, concentration across banking partners, audit cadence, and the legal structures that keep the assets bankruptcy-remote. The reserves also generate yield, which typically supports the issuing business rather than being shared with token holders.

What options are there for stablecoin custody?

Stablecoin custody is the set of systems and controls that protects the keys used to hold and move stablecoins. Whether handled in-house or through a custodial platform, the goal is the same: protect assets while giving teams the visibility and workflow they need to use stablecoins safely.

These are the two main options.

Custodial systems

Custodial systems rely on a regulated third party to hold private keys and run stablecoin operations on a business’s behalf, using secure hardware or MPC setups, clear access controls, segregated addresses, and a mix of hardware and software wallets to keep funds safe. These providers also track onchain activity, monitor for unusual behavior, and maintain internal ledgers so balances stay in sync.

This model appeals to businesses looking for strong security without managing the technical details themselves. It also tends to make audits and compliance reviews easier since the custodian supplies the controls, documentation, and reporting that regulators expect.

Self-custody systems

With this model, the business manages its own keys and builds the controls needed to keep those assets safe. That usually means using MPC or multisignature (multisig) wallets to avoid single points of failure, relying on hardware-backed storage, setting clear approval paths for moving funds, separating duties across technical and financial teams, keeping larger balances in cold storage (i.e., offline), and reconciling internal systems with onchain data.

A self-custody approach gives businesses full control, but it also raises the stakes. A lost key, a compromised device, or a weak approval workflow can lead to permanent loss, so the burden of security and process design sits entirely with the team running the system.

What challenges affect stablecoin infrastructure?

Stablecoin infrastructure has come a long way, but it still carries technical and regulatory risks. These issues aren’t reasons to avoid stablecoins altogether; they’re just part of the landscape for anyone choosing to build on this kind of payment method.

Here are the challenges businesses need to consider.

Regulatory uncertainty

Rules about stablecoins are still forming. The EU has the Markets in Crypto-Assets (MiCA) framework, and the US has passed a federal framework that will take effect by 2027. Many countries treat stablecoins under existing money transmission rules, but other jurisdictions are stricter. Conservative banking partners could be hesitant to support stablecoin businesses until the regulatory situation is clearer. Compliance systems need to cover all the jurisdictions a business operates in and build in enough flexibility to adapt when laws tighten.

Security exposure

Stablecoins inherit the security profile of the systems they rely on. Vulnerabilities can take many forms: smart contract bugs, lost or compromised keys, phishing, insider risk, or exploits in cross-chain connections. Because onchain transactions can’t be reversed, a single failure can cause permanent loss.

Liquidity and reserve management

Reserves are usually held in liquid assets, but even instruments that are considered relatively safe carry risk. In 2023, the fiat-backed stablecoin USD Coin (USDC) briefly lost its peg because reserve cash was trapped in the failed Silicon Valley Bank (SVB). That incident showed how much of a stablecoin’s success hinges on diversified banking partners and clear disclosures.

Fragmentation and interoperability

Stablecoins live on many blockchains, and those blockchains don’t necessarily interoperate. Connecting those different systems introduces its own fragility. Businesses can end up juggling multiple versions of the same asset, each with its own fee environment and reliability profile.

How can businesses choose a stablecoin infrastructure provider?

Selecting a stablecoin infrastructure partner requires due diligence and risk assessment. The best providers make stablecoins feel like any other dependable payment network.

A good stablecoin provider should have these fundamentals.

Security and custody

The provider’s custody model should be easy to inspect and hard to break. That means hardware-backed or MPC key management, multiapproval workflows, and address whitelisting. If a provider can’t walk you through their controls in detail, that’s a red flag.

Compliance posture

You want partners who embrace compliance and stay up-to-date on regulatory changes. Look for strong Know Your Customer (KYC) and AML processes, sanctions screening, transaction monitoring, and the ability to support your reporting requirements. Licensing is a useful signal of maturity.

Network and asset coverage

Support for multiple stablecoins and multiple chains reduces friction. Providers that abstract network differences and handle gas management, routing, and onchain reliability give teams more room to scale without rebuilding workflows.

Integration quality

Stablecoins only work inside a business if they integrate cleanly with high-quality APIs, good documentation, webhook support, and sandbox environments. Providers who offer unified dashboards or reconciliation tools make finance and operations teams’ lives easier.

Reputation and staying power

The stablecoin ecosystem is new. Providers backed by strong financial footing, credible teams, and consistent uptime are safer bets.

How Stripe Payments can help

Stripe Payments provides a unified, global payments solution that helps any business – from scaling startups to global enterprises – accept payments online, in person and around the world. Businesses can accept stablecoin payments from almost anywhere in the world that settle as fiat in their Stripe balance.

Stripe Payments can help you:

• Optimise your checkout experience: Create a frictionless customer experience and save thousands of engineering hours with prebuilt payment UIs, access to 125+ payment methods, including stablecoins and crypto.

• Expand to new markets faster: Reach customers worldwide and reduce the complexity and cost of multicurrency management with cross-border payment options, available in 195 countries across 135+ currencies.

• Unify payments in person and online: Build a unified commerce experience across online and in-person channels to personalise interactions, reward loyalty and grow revenue.

• Improve payments performance: Increase revenue with a range of customisable, easy-to-configure payment tools, including no-code fraud protection and advanced capabilities to improve authorisation rates.

• Move faster with a flexible, reliable platform for growth: Build on a platform designed to scale with you, with 99.999% historical uptime and industry-leading reliability.

Learn more about how Stripe Payments can power your online and in-person payments or get started today.