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"Stability of P2P Networks Under Greedy Peering" wins the best paper award at SIROCCO’24! The paper studies how (and if) P2P topologies stabilize when nodes make peering decisions greedily. Congrats Rajmohan and Lulu Lucianna Kiffer! (Photo Lulu with Yuval Emek)

We are happy to announce Neha Narula as a keynote speaker for the Advances in Financial Technologies (AFT) conference in Vienna! Join us! Registration is already open: aftconf.github.io/aft24/attend.h… Thanks to Gnosis Pay 🦉💳 for joining our sponsors! #AFT2024 Neha Narula Complexity Science Hub OeNB

We’re happy to have Charles M. Kahn as the keynote speaker for this year’s Advances in Financial Technologies (AFT) conference. He emphasizes the crucial tech-regulatory collaboration in financial services. #AFT2024 Complexity Science Hub OeNB @[email protected]

Super excited to announce I will be moving to Madrid this fall to join IMDEA Networks as a Research Assistant Professor!! Looking forward to collaborating with folks there, building my group, and doing good research :) ft. the one semi nice pic I took during my interview trip

Too soon? #Crowdstrike

📢 Coming to Madrid for IMC? The call for travel grants is open 👉conferences.sigcomm.org/imc/2024/trave…

Reminder that TOMORROW is the deadline for students to apply for a TRAVEL GRANT for IMC’24 taking place in Madrid this November! Tell your students! @ACM_IMC_2024

I’m looking to hire a PhD student to join my new group at IMDEA Networks in Madrid! If you’re into P2P networks, blockchain, or cryptocurrency protocols (theory or measurements), let’s connect! Know someone who might be interested? Please pass this along! networks.imdea.org/job/phd-positi…

☠️Running an Ethereum validator node means that any minimally sophisticated party can link your IP address to your ETH addresses. Deanonymizing Ethereum Validators: The P2P Network Has a Privacy Issue by Lioba Heimbach,Yann Vonlanthen,Lucianna Kiffer Scary read: arxiv.org/pdf/2409.04366

Our work on Ethereum validator anonymity is now online (thanks for sharing, Seres István András)! Excited to be presenting it this Friday at the TUM Blockchain Conference. Shout out to TUM Blockchain Club for hosting!

w post on EthResear.ch! Privacy Problems in the P2P Network and What They Tell Us By: - Lioba Heimbach - Yann Vonlanthen - Juan Villacis - Lucianna Kiffer - Roger Wattenhofer 🔗 ethresear.ch/t/20463 Highlights: - A simple and cost-effective method can

AFT’24 has started at OnB in Vienna with many great papers over the next few days. Check out aftconf.github.ion/aft24 for the full program and proceedings! linkedin.com/posts/complexi…

Happy to spend a few days in the Swiss alps chatting with many of the leading minds in the blockchain/defi research space, and to share some recent work done with my colleagues Distributed Computing Yann Vonlanthen Lioba Heimbach

An updated link to the PhD job posting, the current deadline is February 14th, but then it will likely be renewed again (unless I find an amazing student 🤞 ). networks.imdea.org/job/phd-positi…

Our paper demonstrating that Ethereum validators can be deanonymized has been accepted at USENIX Security 2025! The P2P network leaks a lot of information, posing a significant security concern, while offering insights into voting power decentralization in Ethereum.

Honored to talk about the P2P layer of blockchain systems and present some of the many attacks that exist at the network layer this week in Lisbon at the #LxBWS2025 winter school!