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28 Fear

Ethereum Foundation Local Mixing Update – Progress Overview

Original title: An update on Local Mixing (iO)

Ethereum Foundation 25:53 81 views on YouTube ETH −0.3%

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Summary

At Devcon 2024 the Ethereum Foundation introduced local‑mixing as a possible path to practical obfuscation. To spark community interest a bounty was launched to break the initial implementation. Over the following two years the team reports significant progress, now presenting a construction that has logical security arguments, though a formal proof is not yet available. The upcoming talk will describe the development journey, the new techniques discovered, and the resulting constructions. It will also announce a set of iO challenges, as formal security for local mixing remains open. The presentation is given by Janmajaya Mall as part of the Applied Cryptography track.

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Key points

  1. Local‑mixing was introduced at Devcon 2024 as a potential practical obfuscation method
  2. A bounty was launched to break the initial local‑mixing implementation, generating community interest
  3. After two years the team has a construction with logical security arguments but no formal proof yet
  4. The talk will cover the development path, new techniques, and the constructions
  5. A set of iO challenges will be released to explore formal security of local mixing

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