Stablecoins are cryptoassets designed to maintain a stable value by pegging to a reference asset — typically the U.S. dollar, euro, or gold.
Unlike Bitcoin or Ethereum (which can swing wildly in price), stablecoins aim to hold steady, making them practical for trading, cross-border payments, and everyday transactions.
The market currently sits at roughly $309 billion, with USDT and USDC commanding about 85-87% of total market share.
Why are stablecoins considered good? That's because they…
- Enable fast, low-cost international transfers
- Serve as a safe harbor during crypto market turbulence
- Hold steady value while operating on blockchain networks
- Provide dollar access to users in countries with unstable currencies
Right now, stablecoins are primarily used to buy or sell crypto assets, with cross-border payments as a growing secondary use.
Because of their stable value, people can also use them to pay for a broader range of goods and services (though everyday retail adoption remains limited).
How do stablecoins maintain their value?
Stablecoins rely on different mechanisms to remain pegged to their target price—usually $1. However, the "stable" in stablecoins depends heavily on design quality and market conditions.
Collateralization and reserves
The issuer holds assets (cash, government securities, or commodities) backing the stablecoins. Each stablecoin should be redeemable at or near par for the underlying asset, though redemption rights and accessibility vary by issuer. Circle, for instance, publishes regular attestations showing USDC is backed by cash and short-duration U.S. Treasuries.
Algorithmic supply control
Rather than holding reserves, some stablecoins use smart contract algorithms that automatically adjust their supply (minting or burning tokens) based on demand.
If the price climbs above $1.01, the algorithm issues more coins to increase supply and push the price down. If it falls to $0.99, the algorithm buys coins or burns them to tighten supply.
These systems are fragile during market panics — TerraUSD's 2022 collapse demonstrated how algorithmic designs can trigger rapid "death spirals" when confidence erodes.
What types of stablecoins exist?
A stablecoin usually goes through a few steps before you can actually use it. First, a company (or protocol) creates the stablecoin and establishes its backing mechanism. Next, the stablecoin is issued on a digital ledger that tracks ownership and enables users to send coins to each other.
When someone wants to convert stablecoins back into regular money, the process depends on the issuer's terms, eligibility requirements (often restricted to institutions), banking hours, and market conditions.
Secondary market prices can deviate from $1, sometimes sharply, during stress events. To store and manage stablecoins, people use digital wallets on their phone or computer.
Different types are distinguished by how they maintain their peg:
Fiat-backed
The most common type is backed by fiat currency reserves held in custody. Every unit corresponds to an equivalent amount of fiat (or highly liquid assets like short-term government bonds) held in reserve.
For example, the two most common Fiat-backed tokens are Tether (USDT) and USD Coin (USDC). For every 1 USDC in circulation, Circle holds $1 or an equivalent amount of highly liquid assets in reserve.
The risk is the transparency and liquidity of the reserves. (S&P recently downgraded its assessment of Tether's stability, citing reserve quality concerns.)
Crypto-collateralized
Backed by other cryptocurrencies deposited as collateral. These are often over-collateralized meaning the collateral's value exceeds the issued stablecoins — to buffer against market swings. For every $1 of stablecoin issued, $1.50 or more in cryptocurrency collateral might be held (ratios vary by protocol and collateral type).
Commodity-backed
Less common, with value tied to tangible assets like gold or other precious metals. Each token represents a claim on a given amount of the underlying asset held in reserve (custody, audits, and legal enforceability of redemption are key risks).
Algorithmic
The most complex and risky type, doesn't rely on holding large asset reserves. Instead, it maintains its peg using a specialized algorithm that adjusts the coin's supply based on demand.
If the price goes above the peg (say $1.01), the algorithm issues more coins to increase supply and drive the price down. If the price falls below the peg ($0.99), the algorithm buys coins off the market or burns them to decrease supply.
What are stablecoins used for?
Stablecoins offer practical advantages over both traditional cryptocurrencies and regular fiat money.
Because their value stays relatively steady, they can function as a reliable medium of exchange — essentially acting like "digital cash" (though they're not the same as insured bank deposits or central bank money).
Trading stability
Traders use stablecoins as a safe place to park funds during market swings. Instead of cashing out to a bank (which can be slow or expensive), they can quickly move into stablecoins to lock in gains or reduce risk. Stablecoins function as the primary quote currency across crypto exchanges.
Cross-border payments
Sending stablecoins across borders can be fast and low-cost, making them an attractive alternative to traditional bank wires or remittance services especially for people sending money to countries with high fees or slow banking systems.
On-chain transfer speeds are quick, though total costs still depend on network fees, compliance checks, exchange spreads, and cash-out infrastructure.
Everyday transactions
Since their prices don't fluctuate like typical crypto, stablecoins can be used for daily purchases, online payments, and holding funds without volatility concerns. Retail adoption remains limited compared with apps such as PayPal, Venmo, and Zelle, but merchant acceptance is gradually increasing.
DeFi applications
In decentralized finance (DeFi), stablecoins are essential. Users can:
- Borrow against them
- Lend them out to earn interest
- Use them in yield-earning strategies
Their steady value helps reduce risk across these platforms, though users take on credit, smart-contract, liquidity, and regulatory risks in exchange for potential returns.
Financial access
Stablecoins can be used as collateral or savings tools on various platforms, offering financial opportunities to people who may not have access to traditional banking products. However, users face new risks, including fraud, data breaches, platform failures, and legal gaps.
What risks do stablecoins carry?
While stablecoins are designed to stay stable, they're not entirely risk-free. Stability depends on design quality, issuer credibility, reserve management, and market conditions.
De-pegging dangers
Stablecoins can lose their peg if the issuer doesn't hold enough reserves or if those reserves aren't easily accessible during stress.
If confidence drops, users may rush to redeem their coins, creating a "bank-run" scenario where the stablecoin's value can fall quickly. Run dynamics and reserve liquidity represent central stability risks.
Transparency concerns
Many stablecoins rely on a central company to manage reserves and custody of assets. If those reserves aren't properly audited or disclosed, users are forced to trust the issuer without verification (which runs counter to crypto's decentralization goal). Most major stablecoins depend on centralized issuance, custody, and disclosures — creating governance and trust dependencies.
Algorithmic fragility
Algorithmic stablecoins don't use real collateral. Instead, they rely on complex code to adjust supply and maintain prices. These systems can fail during market panics, sometimes triggering rapid "death spirals" that cause the stablecoin to collapse entirely (TerraUSD's 2022 failure is the canonical example).
Regulatory uncertainty
Stablecoins sit at the intersection of crypto and traditional finance, so regulations are tightening across major jurisdictions. Countries have varying rules (or none at all) around reserves, transparency, and consumer protection. Recent developments include:
- Bank of Canada calling for high-quality liquid asset backing
- India's RBI deputy governor warning about stablecoin risks
- ECB cautioning that stablecoins could siphon euro-zone bank deposits
Upcoming regulations may significantly change how stablecoins operate, affecting their economics and availability across jurisdictions.
What's the future of stablecoins?
In J.P. Morgan's Making Sense interview, Teresa Ho (head of U.S. Short Duration Strategy) reports that the fiat-backed dollar stablecoin market currently stands at about $300 billion, with Tether and Circle accounting for about 85-87% of that market. In the next few years, that market could grow to $500-750 billion.
Growth is expected to be predominantly driven by continued expansion of the crypto market (historically, stablecoin growth has tended to coincide with crypto activity since trading remains the dominant use case)
Moreover, growth is also projected by the influence of users from Emerging Market (EM) countries who see dollar-based stablecoins as a safer store of value than their local currencies (which can be subject to high inflation or unstable government regimes)
Future opportunities
Teresa Ho and Ken Worthington (Brokers Asset Manager and Exchange Analyst for J.P. Morgan) both highlight that cross-border transfers represent a strong use case, as stablecoins can move money faster and more affordably than banking rails — especially helpful when moving money between the U.S. and EM countries, where wire transfers are slow and costly.
However, consumer payments (buying coffee with stablecoins) are less convincing at present, as most people are satisfied with apps like PayPal, Venmo, and Zelle.
Still, proponents hope stablecoins can "unbundle" traditional payment services, offering cheaper, simpler structures, much like streaming services disrupted cable bundles.
Should you use stablecoins?
Stablecoins bridge the gap between cryptocurrency volatility and fiat stability.
By pegging to real-world assets or using smart-contract algorithms, they enable fast, cheap, and programmable transactions while preserving value.
However, their benefits come with risks including de-pegging, reserve mismanagement, centralization, and regulatory uncertainty.
For anyone considering using or investing in stablecoins, it's wise to:
- Understand the regulations in your jurisdiction
- Examine the transparency of reserves or collateral
- Treat stablecoins as useful tools, not guaranteed "risk-free" assets
- Check what backs the stablecoin (fiat, crypto, commodity, or algorithm)
