~/talk

The Dark Endgame of CL, EL & Application Layers Without IP-level Privacy

Talkat Censorship.WTF 2023 · on Saturday, 2023-11-18· [privacy-and-compliance, networking]
slides:none on file

Claim: lack of IP‑level privacy lets infrastructure operators link ENS pages, IPFS DHT queries, Graph requests and RPC calls to real accounts and actions, enabling deanonymization and front‑running. Demonstrated by a modified Lighthouse node that collects attestations and links validator keys to IPs, identifying an entire validator team in days, and by IPFS/Graph harvesting of Uniswap.ipfs usage. Built mitigations include a Hopper mixnet and RPC middleware for RPC‑over‑mixnet; data‑harvesting already looks like a billion‑dollar game.

AI-written summary · about

  1. 0:00Introduction
  2. 1:04Trust assumptions in decentralized infrastructure
  3. 3:10Full-stack privacy is broken
  4. 6:17Yolo decentralization risks
  5. 8:24Uniswap privacy vulnerabilities
  6. 11:50Exploiting privacy gaps in the wild
  7. 13:39Privacy is inevitable for Web3 safety
  8. 14:42Solutions and call to action
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