Zama, Morpho, and Steakhouse Financial launched the first confidential DeFi yield vault on the Ethereum blockchain on June 17, 2026. The partnership aims to resolve the privacy limitations of public ledgers that have historically prevented institutional capital from moving into decentralized finance (DeFi).
By allowing institutions to deposit USDC while keeping their specific balances and positions fully encrypted, the vault protects large-scale fund managers from competitors seeking to analyze or copy their on-chain strategies.
The core of this privacy breakthrough is Fully Homomorphic Encryption (FHE), a technology that allows for computations on data without ever decrypting it. Zama provides this FHE layer, enabling smart contracts to process lending and yield logic while the underlying numbers remain hidden from public view.
This advancement helps mitigate the operational risks associated with deploying significant capital on a transparent blockchain where every transaction is typically visible to all participants.
The vault’s launch represents a shift toward more private financial infrastructure on Ethereum. While some market watchers focus on Bitcoin signals and market structure shifts, the integration of Zama’s FHE technology aims to establish a new standard for Web3 confidentiality.
Zama claims its current solution is 100 times faster than previous versions and remains post-quantum safe, allowing developers to write private contracts using standard Solidity toolchains.
Modular lending infrastructure and institutional reach
The new vault operates on top of Morpho Blue, a noncustodial lending protocol designed for the Ethereum Virtual Machine (EVM). Morpho Blue functions as a “singleton” smart contract, allowing the creation of isolated, permissionless markets. This architecture reportedly reduces gas costs by 70% compared to traditional lending protocols, which is a key factor for institutions managing high-volume transactions.
Morpho has seen substantial growth, holding more than $11 billion in deposits and securing $175 million in funding at a $2 billion valuation earlier in June 2026. Its Morpho Blue protocol specifically held approximately $6.8 billion in Total Value Locked (TVL) across more than 200 markets on Ethereum and Base as of April 2026.
The platform currently serves major clients such as Société Générale, Anchorage, and Coinbase.
By using an oracle-agnostic design, Morpho allows risk curators like Steakhouse Financial to set specific parameters for each market. This flexibility is essential for institutional products that require strict adherence to predefined risk models.
This level of customization is becoming critical as firms look for ways to protect their assets from vulnerabilities, such as those seen when a StablR exploit triggered unauthorized sales in the stablecoin market earlier this year.
Risk curation and yield expectations for USDC vaults
Steakhouse Financial acts as the curator for the confidential vault, managing allocation strategies and selecting collateral. The firm takes a conservative approach, focusing on blue-chip collateral like wrapped Ethereum (wstETH) and wrapped Bitcoin (WBTC) to mitigate risk. Steakhouse-curated vaults on Morpho currently report over $2 billion in total value locked across their various product lines.
Depositors in these Steakhouse-curated USDC vaults can expect Annual Percentage Yields (APYs) ranging between 3.5% and 5.3%, depending on the specific vault tier. These returns sit slightly below Steakhouse’s typical 2026 range for USDC of 4.5% to 6.5%. For services rendered, Steakhouse Financial charges a management fee consisting of 15% of the yield generated within the vault.
This launch follows closely on the heels of other major institutional moves in the sector. On June 11, 2026, Coinbase introduced two on-chain USDC lending vaults built on Morpho, followed by a high-yield variant on June 13. However, the June 17 launch with Zama marks the first time FHE has been utilized to create a truly confidential yield environment on the Ethereum mainnet.
Standardizing privacy through the Confidential Token Association
Zama’s technology, specifically its fhEVM framework, ensures end-to-end encryption while maintaining composability with the broader Ethereum ecosystem. Developers can mark private parts of their contracts using “euint” data types, ensuring balances remain encrypted even during active processing. The firm has raised a total of $130 million to date, including $73 million in a Series A round, to push these privacy standards forward.
The partnership also contributes to the development of the ERC-7984 Confidential Token Standard through the Confidential Token Association. This effort mirrors the broader industry goal of making private transactions as standard as HTTPS is for the internet. As institutions continue to monitor the market, including when Bitcoin supply on exchanges hits multi-year lows, the demand for secure, private yield-bearing instruments is expected to increase.
For now, the confidential vault is a dedicated tool for those looking to earn yield on USDC without telegraphing their movements to the market. Its success may determine whether “confidential DeFi” becomes a mainstay for corporate treasuries or remains a niche tool for specialized funds. With the entry of major players like Morpho and Steakhouse, the transition toward privacy-preserving finance on Ethereum is officially underway.