Ben Fisch

Ben Fisch is the CEO and co-founder of Espresso Systems, which builds the Espresso confirmation layer for fast, shared sequencing across Ethereum rollups. He is also an assistant professor of computer science at Yale University, where he leads applied cryptography research, having earned his PhD at Stanford. His academic work has had an outsized influence on the industry, including foundational research on verifiable delay functions, the Halo line of recursive SNARK work, and proofs of space and replication that informed protocols like Filecoin. Before Espresso, he was chief scientist and co-founder of the privacy protocol Findora, and he remains a familiar voice on podcasts like Bankless and Zero Knowledge discussing rollups, sequencing, and interoperability.

18 talks by Ben Fisch