2026-05-08 –, Masaryk Stage
Join us to explore OpenSigner, Openfort's open-source, self-hostable wallet key management solution designed for developers building on Ethereum. This session will cover how OpenSigner provides secure, transparent, and customizable infrastructure for managing wallet keys without vendor lock-in. Learn about its architecture, deployment options, and how it fits into modern dev tooling workflows for
Jaume Alavedra, CTO of Openfort, will share insights from building OpenSigner and discuss real-world use cases where developers need sovereignty over their key management infrastructure. The session will include practical examples of deployment scenarios, security best practices, and how OpenSigner integrates with existing developer workflows. Attendees will gain actionable knowledge to evaluate and implement self-hosted wallet solutions in their own projects.
Co-founder and CTO at Openfort. He worked in one of the first smart contract account implementation that were compatible with 4337 and also several innovative ERC20 paymaster configurations.