Block Sessions: Killing the Mempool is a meetup in Lisbon focused on private, MEV-free trading with ZENDEX, a privacy-first DEX using zero-knowledge circuits. Hosted by The Block Lisboa on Thursday, July 23, 2026, from 19:30 to 21:00, the event features Tyler S. Miller discussing shielded execution and the mempool as a bug. Attendees can ask questions, and a quick demo from a local builder is included. Location is Rua Latino Coelho 63, 1st Floor.