nodl Co-Founder • Infrastructure Architect • Network Engineer
Michel Luczak, known in the Bitcoin community as Keto or Keto Miner, is the co-founder of nodl, a company that builds plug-and-play Bitcoin and Lightning full node hardware. Based in Paris, France, he has been deeply involved in Bitcoin infrastructure since 2017.
Before Bitcoin, Keto built extensive expertise in network infrastructure, working as an Infrastructure Architect at France Televisions, the French national public broadcaster. This background in large-scale network operations gave him deep knowledge of BGP routing, network architecture, and the physical layer of the internet.
In 2018, Keto achieved a significant milestone by implementing one of the first Tor support integrations for Bitcoin nodes, allowing users to run their nodes privately over the Tor network. This work was foundational for the privacy-preserving node infrastructure that exists today.
The nodl hardware has grown to serve over 1,300 daily active users across 40+ countries, making sovereign Bitcoin node operation accessible to non-technical users. The company focuses on making self-hosted infrastructure simple and reliable.
Keto's contributions sit at the intersection of Bitcoin software and physical network infrastructure:
This masterclass explores Layer 0 — the physical and network infrastructure that carries Bitcoin data. Before any transaction reaches a miner or a Lightning node, it must traverse the internet. Understanding this layer is critical for building resilient Bitcoin systems.
Topics likely covered include:
