DeFi TVL Weekly April 28, 2026: Exploits, Portals Foresight Simulator API and Top Yields

Welcome to the Portals DeFi TVL Weekly April.

This week, we examine the fallout from the $292M KelpDAO exploit, the continued compression of stablecoin yields, and the shifting TVL landscape as Ethereum dominance holds steady while alternative chains experience volatility.

Market Pulse

Summary

• Total Market Cap: $2.62T, +0.2% (7d)
• DeFi TVL: $82.76B, -3.00% (7d)
• 24h Volume: $98.4B
• BTC Dominance: 57.9%
• ETH Gas: 1.06 Gwei
• Sentiment: Fear (33) +4
• Stablecoin Market Cap: $319.36B -0.40% (7d)

The crypto market remains in a state of consolidation, with total market cap holding steady at $2.62T.

Bitcoin dominance has crept up to 57.9%, reflecting a flight to quality amid recent DeFi exploits.

Total DeFi TVL has contracted by 3.00% to $82.76B, driven largely by the aftermath of the KelpDAO incident and subsequent liquidity withdrawals across major lending markets.

The Yield Market Pulse

The yield landscape this week is characterised by a distinct bifurcation: high-yield fixed-rate opportunities in the Pendle ecosystem contrast sharply with compressing variable rates in major lending markets.

The Morpho Gauntlet USDC Prime vault, for instance, has seen its APY drop from over 4% to 3.05% in just seven days, reflecting an influx of stablecoin deposits seeking safe harbour.

Top Opportunities This Week

• PT apxUSD 18JUN2026

• APY: 13.88%
• TVL: $68.76M
• Network: Ethereum

PT apxUSD 18JUN2026 offers a fixed-rate yield on the Apex USD stablecoin via Pendle. With maturity set for June 18, 2026.

This Principal Token (PT) provides a compelling double-digit return for users willing to lock capital for the short term.

• Lagoon Tulipa USDC

• APY: 7.63%
• TVL: $7.74M
• Network: Ethereum

Lagoon Tulipa USDC is a managed vault by Tulipa Capital that has seen its APY spike from approximately 4.3% to 7.63% this week.

While the TVL is relatively small at $7.74M, it presents a strong variable rate for USDC depositors. Users should note the lower daily volume, which may impact exit liquidity for larger positions.

• Syrup USDC

• APY: 4.92%
• M/Cap: $1.18B
• Network: Ethereum

Syrup USDC remains the heavyweight champion of stablecoin yields on Portals. Backed by Maple Finance's institutional lending infrastructure, it offers a highly stable 4.92% APY with massive liquidity depth.

• Spark Savings USDC

• APY: 3.65%
• M/Cap: $556.99M
• Network: Ethereum

Spark Savings USDC provides a reliable 3.65% APY tied to the Sky Savings Rate (SSR). As one of the largest stablecoin sinks in DeFi, it serves as a benchmark for risk-free rates in the ecosystem.

• Morpho Gauntlet USDC Prime

• APY: 3.05%
• TVL: $140.49M
• Network: Ethereum

Morpho Gauntlet USDC Prime has experienced significant yield compression this week, dropping to 3.05%.

Despite the lower rate, the vault's $140.49M TVL and Gauntlet's rigorous risk management parameters make it a staple for risk-averse stablecoin depositors seeking isolated lending exposure.

• Trending Now on Portals Explorer

DeFi News

Key developments in DeFi this week

$292M exploit of KelpDAO's rsETH

The defining event of the last week was the $292M exploit of KelpDAO's rsETH via a vulnerability in the LayerZero cross-chain messaging protocol.

The attack, executed on April 18, triggered a cascade of liquidity withdrawals across the liquid restaking sector.

Aave V3 experienced a temporary liquidity crisis as users rushed to unwind leveraged restaking positions, resulting in a 13.86% drop in Aave's total TVL over the past seven days .

In response, the DeFi United coalition proposed a comprehensive rsETH recovery plan, which has temporarily stabilised the asset's peg.

Uniswap Activates Fee Switch, Sharing Revenue with UNI Holders

Uniswap has officially activated its "fee switch," redirecting a portion of protocol trading fees to UNI token holders.

The mechanism, which went live following a 99.9% approval vote, permanently ties token supply reduction to trading volume.

Under the new model, the protocol captures between 16.7% and 25% of liquidity provider fees on v3 pools, using the revenue to buy back and burn UNI tokens.

Volo Protocol Exploited for $3.5M on Sui

Adding to April's string of security incidents, the Volo liquid staking protocol on the Sui blockchain suffered an exploit resulting in the loss of approximately $3.5 million.

The attackers drained funds from three vaults holding WBTC, XAUm, and USDC. The protocol immediately froze all vaults and is coordinating with security firms to trace the stolen assets.

Portals Platform Updates

Portals Dev Update: April Edition

The latest Portals Dev Update is out. This month's edition covers significant backend optimisations, new API endpoints for isolated lending markets, and comprehensive documentation updates for integrators.

Read the full technical breakdown here: Portals Dev Update — April Edition.

Portals Foresight: See What Your Transaction Actually Does Before You Sign

With April 2026 recording over $786M in losses across multiple exploits, that blind spot has a real cost.

You can now simulate any transaction before execution with Portals Foresight. Using Portals Foresight gives you a full breakdown of every state change, token flow, and approval it will trigger, in a single API call, on any EVM chain.

Try Portals Foresight

The state of chains

Top DeFi protocols by TVL

Lido maintains its dominant position with $21.14B in TVL, serving as the bedrock of Ethereum's staking economy.

SSV Network has surged into the second spot with $16.74B, reflecting the growing institutional preference for Distributed Validator Technology (DVT).

Aave V3 ($13.57B) and EigenCloud ($8.81B) both suffered notable TVL contractions this week, directly correlated to the unwinding of leveraged restaking positions following the KelpDAO exploit.

Morpho Blue demonstrated resilience, growing its TVL by 2.48% to $6.69B as users migrated toward isolated lending markets.

Chain Performance Analysis

Ethereum's TVL contracted by 4.01% to $44.44B, bearing the brunt of the liquid restaking unwinds.

Solana ($5.45B, -1.52%) and Tron ($5.03B, -0.32%) showed relative stability.

Plasma network, with the most dramatic movement, where its TVL collapse by 53.25% to $0.59B following the Volo Protocol hack and subsequent capital flight.

Base continues its steady ascent, growing 1.43% to $4.31B, driven by sustained retail activity and the integration of new native stablecoin pairs.

Looking ahead: Market

Key Catalysts to Watch

• With the Uniswap fee switch now active, the market will closely monitor the protocol's trading volume and the resulting UNI token burn rate. Any significant drop in liquidity provision due to reduced LP fees could impact Uniswap's dominance and test the resilience of this new economic model.
• The immediate focus for the DeFi market is the resolution of the KelpDAO exploit and the implementation of the DeFi United recovery plan. If successful, this could restore confidence in the liquid restaking sector and reverse the recent TVL outflows.
• Additionally, the impending vote on the CLARITY Act represents a watershed moment for DeFi regulation in the United States.
• Finally, users should monitor the yield spread between variable lending markets and fixed-rate instruments.

For last week's data and analysis, see the DeFi TVL Weekly, 20th April 2026

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