Stablecoin Report #1: The Yield Era

Stablecoins reach $309B as yield-bearing assets, tokenized Treasuries, and institutional DeFi reshape the on-chain economy.
Market Snapshot
The stablecoin market sits at roughly $309 billion as of early March, more or less flat over the past 30 days. Monthly on-chain volume is running above $970 billion, holding steady month over month. The number of active stablecoins has climbed to around 300, up roughly 40 from a year ago.
Yield-bearing stablecoin TVL has doubled year over year to over $22 billion. Tokenized Treasuries have crossed $10 billion (with BUIDL alone at ~$2.4 billion). Meanwhile, average DeFi lending rates have compressed from 6%+ last year into the 4–5% range.
| ~$309B | $970B+ | ~300 |
|---|---|---|
| Total Stablecoin Market Cap | Monthly On-Chain Volume | Active Stablecoins |
| Roughly flat (30d) | Steady MoM | +40 YoY (est.) |
| ~$22B+ | $10B+ | 4–5% |
|---|---|---|
| Yield-Bearing Stablecoin TVL | Tokenized Treasuries | Avg DeFi Lending Rate |
| Doubled YoY | BUIDL ~$2.4B | Down from 6%+ in 2025 |
Dominance Breakdown
| Stablecoin | Market Cap | Share | 30d Change | Category |
|---|---|---|---|---|
| USDT (Tether) | ~$184B | ~59% | Flat | Fiat Backed |
| USDC (Circle) | ~$76B | ~25% | +2–3% | Fiat Backed |
| USDS (Sky/Maker) | ~$9.9B | ~3% | Flat | Crypto Backed |
| USDe (Ethena) | ~$6.3B | ~2% | Down slightly | Synthetic |
| DAI | ~$4.7B | ~1.5% | Flat | Crypto Backed |
| USD1 (World Liberty) | ~$4.7B | ~1.5% | Strong growth | Fiat Backed |
| PYUSD (PayPal) | ~$3.6B | ~1% | Down | Fiat Backed |
| USDf (Falcon) | ~$2.5B | <1% | Up | Synthetic |
| BUIDL (BlackRock) | ~$2.4B | <1% | Strong growth | Tokenized Treasury |
| RLUSD (Ripple) | ~$630M | <0.5% | New entrant | Fiat Backed |
Key Trend: USDT and USDC still account for roughly 84% of supply. However, capital is gradually rotating toward regulated, yield-bearing, and institutional-grade products. USDC continues to outpace USDT growth. BUIDL and USD1 show strong expansion. USDe supply continues to contract as basis yields compress.
The Yield-Bearing Revolution
Capital is moving from zero-yield stablecoins toward assets that generate income.
Alto research estimates the yield-bearing stablecoin segment has doubled over the past year. Industry estimates suggest more than $250 million in rewards were distributed across 2025. Holding idle USDT or USDC now carries an opportunity cost in the range of 4–5% annually.
Yield-Bearing Stablecoin Leaderboard
| Token | TVL / Supply | APY | Yield Source | Peg Mechanism |
|---|---|---|---|---|
| sUSDS (Sky) | ~$4.6B | ~4.25% | DSR + RWA | Overcollateralized |
| sUSDe (Ethena) | ~$3.8B | ~4–5% | Basis trade | Delta-neutral |
| sUSDf (Falcon) | ~$2.5B | 7.5–10% | Multi-strategy | 118% backing |
| BUIDL (BlackRock) | ~$2.4B | ~4.5% | T-Bills | Whitelisted |
| Syrup USDC (Maple) | ~$1.6B | ~5% | Institutional credit | Underwritten |
| USDY (Ondo) | ~$690M | 4–5% | T-Bills | Accruing note |
| sfrxUSD (Frax) | $30M | Variable | Smart routing | Adaptive |
| sGHO (Aave) | New | ~5.6% | Aave revenue | Savings vault |
Three yield tiers are forming:
Treasury-linked (4–5%)
BUIDL, USDY, sUSDS. Predictable, rate-linked, increasingly institutional default.
Hybrid smart routing (variable)
sfrxUSD and sGHO. Protocol-native yield optimization.
Strategy-based (5–10%+)
sUSDe, sUSDf, Syrup USDC. Higher yield, regime dependent.
The structural shift: Treasury-linked yield is becoming DeFi’s base layer.
Regulatory Landscape: The CLARITY Act
The GENIUS Act (July 2025) established federal rules for payment stablecoins. The unresolved issue now is the CLARITY Act, which governs broader crypto market structure.
Core Issue: Yield vs Rewards
Banks argue exchange-based yield products resemble deposits. Crypto firms argue activity-based rewards are distinct. This disagreement has stalled progress.
Senate Draft (January 2026):
- Prohibits interest for simply holding stablecoins
- Allows activity-linked rewards
- Section 309 excludes DeFi from scope
Institutional clarity could significantly accelerate capital inflows if passed by mid-2026.
DeFi Lending & Stablecoin Rates
Stablecoin lending APYs have converged with real-world short-duration rates (4–5%).
| Protocol | USDC Supply APY | TVL | Trend |
|---|---|---|---|
| Aave V3 | 4–7% | $50B+ | Expanding |
| Morpho | 4–6% | ~$3B loans | Growing |
| Maple | ~5% | ~$2.6B | Stable |
| Sky Lending | ~4.25% | ~$4.6B | Stable |
| Compound V3 | 3–5% | ~$2B | Declining |
| Spark | 4–5% | ~$660M | Stable |
Aave commands the majority of Ethereum lending volume and continues consolidating market share. V4’s Hub-and-Spoke design aims to eliminate liquidity fragmentation and improve composability via ERC-4626 vault accounting.
For smaller protocols, differentiation through collateral diversity and risk isolation is becoming essential.
Emerging Trend: BlackRock Meets DeFi
On February 11, 2026, BlackRock listed BUIDL on Uniswap via UniswapX. This marked the first live deployment of a major asset manager’s regulated fund on DeFi trading infrastructure.
Access remains restricted to qualified investors, with compliance handled by Securitize.
Implications:
- Institutional validation of DeFi rails
- Tokenized Treasuries as DeFi collateral
- Competitive pressure on non-yielding stablecoins
- Acceleration of RWA composability
Tokenization is no longer experimental. It is operational.
What to Watch: Next 60 Days
- CLARITY Act Senate reconciliation
- Aave V4 mainnet launch
- BUIDL collateral integrations
- USDe supply trajectory
- OCC and Fed reserve standards
- Hong Kong stablecoin licenses
- Circle IPO performance
The Alto Perspective
The convergence of tokenized Treasuries and DeFi lending creates structural opportunity.
As yield-bearing assets become composable collateral, isolated risk architecture becomes a competitive advantage. Protocols capable of supporting tokenized RWAs, yield-bearing stablecoins, and specialized collateral types will capture flows migrating from idle stablecoin capital.
Regulatory clarity may accelerate this transition. If DeFi remains excluded from restrictive yield rules, permissionless protocols can continue innovating while CeFi platforms adapt to compliance frameworks.
Capital is consolidating into productive, yield-generating stablecoin structures. The next phase of DeFi will be defined by how effectively protocols capture and deploy that yield.
The Stablecoin Report is published bi-monthly by Alto.
Data sourced from DefiLlama, CoinGecko, RWA.xyz, public regulatory filings, and Alto research estimates.
Figures marked with ~ are approximate and may differ from live dashboard readings.
This report is for informational purposes only and does not constitute financial advice.
alto.money • @alto_money • docs.alto.money

