Péter Szilágyi

Led development efforts on one of the primary Ethereum clients, delivering code changes that implemented the Merge, consensus transition and validator APIs used in production. Implemented and reviewed client patches, coordinated releases, and fixed interoperability issues that allowed exchanges and custodial operators to run validators reliably after the protocol transition. Those concrete code contributions were critical to operationalizing validator stacks and ensuring node software correctly processed deposits, attestations and withdrawal logic. Provided practical fixes and releases that reduced downtime and synchronization risk for validator operators, and worked on the tooling and RPC surfaces that custodial services rely on to monitor validator health and rewards. The work on client stability and validator interfaces directly influenced the feasibility and cost of running large‑scale custodial validator fleets behind tokenized products such as BETH. By delivering production client releases and operational guidance, materially lowered the technical barrier for exchange operators to accept deposited ETH and operate validators on behalf of users. That engineering work translated into concrete reductions in execution risk and underpinned the infrastructure assumptions that BETH and similar exchange‑issued staking tokens depend upon.