The Ethereum Foundation's Ecosystem Support Program (ESP) published its Q1 2026 funding allocation, distributing $9.8 million across 57 projects spanning protocol research, cryptography, zero-knowledge proofs, security, privacy, and developer tooling. The quarter reflected a continued emphasis on strengthening Ethereum's core infrastructure.

A significant portion of funding went toward zero-knowledge proof research and development, including formal verification of zkVM systems and optimizations to ZK trace construction. Security and cryptography also received sustained investment, with multiple grants targeting cryptanalysis of the Poseidon hash function used widely across ZK applications.

The Q1 allocation continues a pattern of EF infrastructure investment that includes the $1M Ethereum audit subsidy, the $1M Ethereum Security QF round, the ETH Rangers security program, and the Road To Devcon 8 Academic Program, all aligned with the EF's stated mandate to protect self-sovereign computation and enable coordination at scale.

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