A significant consolidation has taken place in the fully homomorphic encryption (FHE) sector. Today, Fhenix, an FHE-focused Layer 2 project, announced the acquisition of FHE infrastructure company Sunscreen, with the exact financial terms undisclosed. This move is intended to strengthen Fhenix's technical reserves and R&D capabilities in on-chain privacy computing.
Deal Details
According to the official announcement, Sunscreen founder Ravital Solomon will join Fhenix as Head of Research, directly overseeing the application research of FHE technology. Sunscreen is one of the early explorers of FHE in blockchain applications; its core advantage lies in the development of an advanced FHE compiler technology that significantly lowers the barrier for developers to adopt encrypted computation.
Technology Integration and Industry Impact
Fhenix, as an FHE-dedicated Layer 2 project, aims to realize true privacy-preserving smart contracts within the Ethereum ecosystem. Sunscreen's compiler technology will help Fhenix accelerate the transformation of FHE theory into tools usable by developers, moving on-chain privacy computing from concept to implementation. Fully homomorphic encryption allows computation to be performed directly on encrypted data without decryption, regarded as the ultimate solution for blockchain privacy, but its high computational overhead has long hindered widespread adoption. Sunscreen's specialized compiler is designed to optimize this process and reduce the entry barrier for developers.
The acquisition also signals that the FHE track is shifting from academic research toward industrialization. Leading projects are integrating key technologies and talent through M&A to build competitive moats. In the current FHE landscape, besides Fhenix, teams such as Zama and Inpher are also advancing infrastructure development. Fhenix's acquisition of Sunscreen helps it establish a differentiated advantage at the compiler layer. As FHE compiler technology matures, developers may one day build privacy applications as easily as writing ordinary smart contracts, greatly expanding privacy protection capabilities in DeFi, identity verification, and other scenarios.

