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Curve Finance Posts Sharp Fee Drop as YieldBasis Rotation Reshapes TVL; Stake DAO Exploit Triggers Ecosystem Caution

Curve's weekly protocol fees fell 54.6% in the seven days ending May 28, 2026, as a major capital rotation out of older Bitcoin yield pools weighed on volumes. Despite the drawdown, core stablecoin pools held up and crvUSD supply continued to grow.

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Total value locked (TVL) on Curve Finance declined 3.2% over the past week to $1.80 billion, according to the protocol's weekly metrics report. The more dramatic headline is the fee compression: the platform collected roughly $208,000 in fees for the week, down from an estimated $457,000 the prior period, roughly halved week-over-week.

Seven-day DEX volume dropped 32.7% to $1.06 billion. DefiLlama places Curve's TVL slightly lower at $1.606 billion, a common divergence reflecting differences in methodology and snapshot timing. Annualised fees tracked by DefiLlama stand at $40.23 million, with 30-day protocol revenue at $578,635.


The decline is not a broad capital exit. Two specific pools account for the bulk of the TVL reduction: the crvUSD/cbBTC pool shed $103 million and crvUSD/tBTC lost $45.4 million. Both losses trace back to liquidity migrating away from older-generation YieldBasis pools toward a newer Hybrid Vault structure launched by Curve founder Michael Egorov in early April 2026. YieldBasis lets users deposit crvUSD (which is automatically staked into scrvUSD, Curve's savings wrapper launched in November 2024 that currently holds 37.3% of crvUSD supply and pays a 3.6% annual yield) to unlock Bitcoin yield capacity worth 2.5 times the deposited amount.

The protocol processed over $1 billion in volume within its first 72 days at a $300 million cap, and attracted $4.54 million in deposits during its first week following the Hybrid Vault launch. The Hybrid Vaults were audited by ChainSecurity and MixBytes before launch. Egorov has now submitted a Curve DAO proposal to raise that credit line to $1 billion. Core stablecoin pools were largely unaffected by the rotation.


The Curve News weekly report noted that "crvUSD parameter changes and new YieldBasis hybrid vaults both appear to be helping keep the peg strong." The crvUSD stablecoin, which Curve launched in May 2023, reported a minted supply of $56.2 million, up 2.3% week over week. Its average borrow rate fell to 3.9%, aided by a recent governance decision to cut the rate0 parameter by 10%, making borrowing cheaper to attract more debt and reduce peg pressure. The price held near $0.9989. That stability was also supported by a significant operational development: the Peg Stabilisation Reserve (PegKeeper) was fully deployed this week, moving from $0 to $25.6 million in deployed capital, which drove $19.5 million in new TVL into the USDT/crvUSD pool and directly reinforced the peg. One concern flagged by the Pangea Foundation is that YieldBasis channels 93.33% of its volume through crvUSD pools, representing 36% of total Curve crvUSD volume and rising above 60% on volatile days, and the resulting stress increased crvUSD's mean absolute peg deviation by 66.35% since the protocol launched. Ongoing parameter adjustments appear to be managing that pressure for now.


A separate incident on May 27 added a layer of ecosystem concern. An attacker gained access to Stake DAO's deployer private key and used it to mint 5.44 trillion vsdCRV tokens, a vote-boosted derivative of sdCRV, on Arbitrum, then converted them to ETH. At least 43.78 ETH, worth roughly $91,000, was bridged to Ethereum before the exploit was flagged. Stake DAO publicly advised users to avoid interacting with vsdCRV. Curve Finance itself was not compromised, but the incident triggered a $303,000 outflow from asdCRV lending markets on Curve's Llamalend platform. Llamalend's total TVL stands at $161 million, down 3.1% on the week. The root cause, a single compromised key without multisig protection on privileged contract functions, is a recurring failure pattern in DeFi infrastructure.


On the yield side, the frxUSD/USP pool led all stablecoin pairs with a 180% unboosted APR, reflecting joint incentives from Frax Finance and PikuDAO during a liquidity bootstrapping phase. That rate will compress as the pool matures and should not be treated as a sustainable return. More durable reference points are the ynUSDx/scrvUSD pool at 25.8% and the USDC/savUSD pair at 19.5%. On ETH and BTC pools, the alETH/WETH pool on Arbitrum offered 10.3%. Platforms including Convex, Stake DAO, and Yearn provide additional yield boosts on most of these pools. CRV holders who lock their tokens as veCRV earned a 3.785% APR from weekly protocol fee distributions this week, down 0.857 percentage points; the corresponding dollar distribution totalled $121,000, itself down 27.1% week-over-week, giving concrete illustration to the fee-compression story told in the lede. Over 40% of total CRV supply is currently locked as veCRV, concentrating governance power among long-term holders. The CRV token trades around $0.23, approximately 98% below its all-time high, with a circulating market cap near $348 million.


For users in South Asia and Sub-Saharan Africa, the stablecoin yield environment on Curve carries practical relevance. TRM Labs' 2025 Crypto Adoption and Stablecoin Usage Report identified South Asia as the fastest-growing region for crypto adoption globally, led by India. In markets where local currency deposits often deliver negative real returns (Pakistan, Nigeria, Ethiopia) or where banking access is limited, yield-bearing stablecoins have become a functional dollar savings instrument. Stablecoins account for 43% of all crypto transactions in Sub-Saharan Africa, according to the 2026 Global Crypto Adoption Index. Nigeria alone processed close to $22 billion in crypto transactions in the 12 months through June 2024. For the most risk-averse participants, scrvUSD currently offers a 3.6% APR, a meaningful baseline for savers in high-inflation environments. A 19.5% return on a USDC pool, even accounting for protocol risk, is meaningful against those benchmarks. The main structural barriers remain: fragmented fiat ramps for converting naira, Indian rupees, or Pakistani rupees into usable stablecoins; Ethereum mainnet gas costs that make small positions uneconomical; and regulatory uncertainty in key markets including India, which applies a 30% tax on crypto gains. Curve's expansion to Base and Arbitrum reduces the gas problem and brings more of these pools within reach of smaller participants. The CRV/crvUSD pool on Base, for instance, currently offers 12.2% APR, providing a concrete and accessible mid-range option for users in those regions.


Looking ahead, the DAO vote on raising YieldBasis's crvUSD credit line from $300 million to $1 billion will be a significant test of how Curve governance balances growth ambitions against peg stability. The proposed three-week exponential moving average on the PegKeeper debt ratio, still under discussion, would smooth out short-term borrow rate volatility if passed. Both measures will determine whether crvUSD can sustain its current trajectory as a competitive lending stablecoin without reintroducing the sharp rate spikes that preceded the scrvUSD launch in late 2024.