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Ethereum Foundation boosts the third-party cryptanalysis of Poseidon hash. It provides bounties for breaking small versions, awards for new attacks, and short-term grants to fill the gaps the existing analysis. Total Fund: $500 000 poseidon-initiative.info #Ethereum

Two interesting application of KZH-fold: A) Distributed PCD with low communication overhead, with concrete use cases liks signatures aggregation and distributed zkVM. B) More practical light client through IVC

Accumulation/Folding schemes are all the hype. However, all current schemes have proofs that are linear in the circuit size (think megabytes). That might be ok if you are locally proving (IVC) but doesn't scale for distributed proving (PCD). Cue KZH-fold: eprint.iacr.org/2025/144

🥷🦴🦖 zkFOCIL is here 🥷🦴🦖 by George Kadianakis, Benedikt and soispoke.eth tdlr: We propose an approach to improve FOCIL privacy by using a simple protocol using Linkable Ring Signatures based on general-purpose SNARKs, enabling validators to confidentially publish inclusion lists.

And part II that covers also MNT curves.

The deadline for Short Term #Poseidon Grants has been extended to 15th March 2025 poseidon-initiative.info/#h.igyegrb8v5vn All researchers from the academia #iacr and the industry are welcome to apply!

We’re extending the grant application deadline for research on strengthening (or breaking!) Poseidon until mid-March. If you're working on algebraic hash function security, now’s your chance -- apply now! 🔥

RIG is hiring an exceptional Protocol Architecture Researcher (link to job description in next tweet) RIG is working on solving some of the most important open challenges for Ethereum: ensuring long-term economic robustness & scaling Ethereum. If you are excited and deeply

"Beyond the Circuit" was accepted at IACR's Communications in Cryptology! It contains a few simple protocols for simplifying foreign arithmetic in zero-knowledge proofs. Formally we introduce "Σ-reductions": "Σ-protocols" with "reductions of knowledge". 🗞️ cic.iacr.org/p/2/1/23/pdf

Benchmarks for ICICLE’s CPU and CUDA backends are now available on zka.lc Thank you Michele Orrù !