Dennis Trautwein joined Protocol Labs in September 2022. He is the author of the most popular IPFS crawler to date, Nebula . He is also one of the most major developers of the infrastructure behind https://probelab.io as well as the measurement tools used to evaluate the performance of P2P layer protocols. He is passionate about rigorous performance evaluation and the infrastructure needed to support it. In parallel to his work at Protocol Labs and now IP Shipyard, he is pursuing a PhD on “Peer to peer systems in trustless environments”.