2026-05-08 –, Grégr Stage
When our nodes kept failing, we assumed our code was faulty. It took months to identify the true problem: you cannot reliably query the Ethereum chain. And we aren’t alone. Despite RPC providers’ efforts, many teams face the same issues. This is a journey deep into the RPC layer, the tools we built to identify bad RPC data, and how you can avoid a major headache for your team and users.
Cryptography & Protocol Engineer at HOPR - mostly working on security and cryptographic protocols spanning from Ethereum to network packet processing.