Ethereum co-founder Vitalik Buterin has proposed eliminating a key blockchain function he initially invented, claiming it severely hampers the community’s scaling efforts.
The modular exponentiation precompile, often called modexp, creates verification bottlenecks as much as 50 occasions worse than common blocks when producing zero-knowledge proofs, in response to Buterin’s current assertion on X.
The proposal arrives as Ethereum intensifies its push towards a privacy-first infrastructure, whereas concurrently addressing technical obstacles that impede the adoption of the zero-knowledge Ethereum Digital Machine.
Buterin acknowledged his position in creating the problematic function, stating he “bows his head in disgrace” whereas advocating for its substitute with computationally equal code that might enhance fuel prices however dramatically cut back proof era complexity.
As the unique inventor of the modexp precompile I bow my head in disgrace
However modexp actually does maintain Ethereum again a lot. Each due to inefficiency, and since its complexity has uncovered our ecosystem to large quantities of consensus failure danger.
We may do heroic…— vitalik.eth (@VitalikButerin) November 3, 2025
The Technical Burden Holding Again Ethereum’s ZK Ambitions
Zero-knowledge EVMs generate cryptographic proofs validating Ethereum computations off-chain, enabling sooner transaction processing with out compromising safety.
The prover element accountable for creating these proofs encounters distinctive issue with modexp operations, that are primarily utilized in RSA encryption and signing features employed by minimal purposes.
Buterin defined that modexp’s computational depth creates disproportionate delays in proof era, instantly slowing rollups and layer-2 options designed to speed up Ethereum.
The function’s complexity additionally introduces consensus failure dangers by potential edge circumstances and bugs that threaten community stability.
Relatively than investing optimization sources right into a function affecting 0.01% of customers, Buterin instructed changing the precompile with commonplace EVM bytecode that achieves similar outcomes at larger fuel prices.

Functions requiring modular exponentiation (modexp) performance may as a substitute wrap operations in SNARKs, an alternate cryptographic proof system that mitigates inefficiency.
This tradeoff prioritizes ecosystem stability and scaling progress over sustaining legacy options with slender use circumstances, significantly as Ethereum faces extra pressing efficiency challenges.
The proposed Ethereum Enchancment Proposal would basically change how the community handles cryptographic operations that show burdensome for zero-knowledge proof techniques.
Institutional Gateway Opens as Privateness Options Mature
In late October, the Ethereum Basis launched “Ethereum for Establishments”, offering enterprises and monetary organizations with structured pathways for blockchain adoption.
The initiative employs zero-knowledge proofs, absolutely homomorphic encryption, and trusted execution environments to allow compliant, audit-ready purposes on public networks.
Initiatives together with Chainlink, RAILGUN, Aztec Community, and Zama pioneer privacy-preserving sensible contracts that safe counterparty data and enterprise logic with out sacrificing transparency or composability.
The Ethereum Basis has launched “Ethereum for Establishments” — a brand new portal to information enterprises, monetary establishments, and builders constructing on Ethereum’s infrastructure.#Ethereum #ETH https://t.co/NjRwr0E1Pz
— Cryptonews.com (@cryptonews) October 29, 2025
These production-ready options handle institutional necessities for balancing compliance mandates with safe, programmable finance.
Ethereum dominates real-world asset and stablecoin sectors, internet hosting over 75% of tokenized RWAs and 60% of world stablecoin provide.
Main monetary corporations, together with BlackRock, Securitize, and Ondo Finance, deploy tokenized devices that provide 24/7 settlement, transparency, and composability.
Layer-2 networks, like Base, Scroll, and Unichain, now safe over $50 billion in worth, delivering throughput and price effectivity for global-scale purposes.
Privateness Infrastructure Accelerates Alongside Technical Refinements
The Ethereum Basis launched its 47-member Privateness Cluster in October, underneath the coordination of Blockscout founder Igor Barinov, increasing work initiated in 2018 by the Privateness and Scaling Explorations group.
The cluster addresses vital areas round surveillance, non-public information verification, selective identification disclosure, person expertise enhancements, and institutional adoption assist.
This initiative follows the September rebranding of the Privateness and Scaling Explorations group to Privateness Stewards for Ethereum, shifting the main target from theoretical analysis to sensible options.
Ethereum Basis launches 47-member Privateness Cluster led by Igor Barinov focusing on non-public transactions, identification, and institutional adoption.#Ethereum #Privacyhttps://t.co/nXyyPyAmvR
— Cryptonews.com (@cryptonews) October 9, 2025
The inspiration warned that with out strong privateness protections, Ethereum dangers turning into “the spine of world surveillance quite than world freedom,” doubtlessly driving establishments and customers towards various platforms.
Final month, Vitalik additionally detailed GKR, a cryptographic approach that verifies calculations ten occasions sooner than conventional strategies whereas enabling zero-knowledge proofs that verify computational accuracy with out exposing underlying information.
The protocol processes 2 million calculations per second on commonplace laptops. It validates complete Ethereum transactions utilizing simply fifty consumer-grade graphics playing cards, in comparison with conventional strategies requiring 100 occasions extra computational work than the unique calculations.
The breakthrough is important as a result of it allows sooner verification, leading to cheaper transactions and enhanced privateness throughout the community.
The publish Vitalik Buterin Requires Scrapping Ethereum’s ‘Most ZK-Unfriendly’ Function appeared first on Cryptonews.

The Ethereum Basis has launched “Ethereum for Establishments” — a brand new portal to information enterprises, monetary establishments, and builders constructing on Ethereum’s infrastructure.#Ethereum #ETH https://t.co/NjRwr0E1Pz
Ethereum Basis launches 47-member Privateness Cluster led by Igor Barinov focusing on non-public transactions, identification, and institutional adoption.#Ethereum #Privacyhttps://t.co/nXyyPyAmvR