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Vitalik Buterin Unveils 3 Steps That Will Change Privacy in Ethereum

Wed, 20/05/2026 - 8:46
Ethereum co-founder Vitalik Buterin has mapped out a three-step protocol privacy upgrade to shield user metadata from AI surveillance and block builder censorship.
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Vitalik Buterin Unveils 3 Steps That Will Change Privacy in Ethereum
Cover image via depositphotos.com

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Ethereum's leading visionary Vitalik Buterin has unveiled a short-term roadmap for bringing native privacy to the blockchain, responding to the growing debate around the role of privacy in achieving "true moneyness".

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Instead of making large-scale long-term promises, the Ethereum co-founder focused on three specific practical steps aimed at solving transaction censorship and metadata leakage at the protocol level:

  • AA + FOCIL (Priority for private transactions): A combination of Account Abstraction (smart wallets) and Forced Inclusion Lists (FOCIL). This upgrade turns transactions from privacy protocols into first-class transactions by giving them hard native guarantees of block inclusion and protecting them from censorship by major block builders.
  • Keyed nonces (Solving the queue problem): The introduction of keyed nonces resolves a fundamental blockchain issue where sequential transaction numbering (nonces) causes collisions and stalled execution when multiple parallel private transfers originate from the same pool.
  • Access-layer work (Protection at the access layer): Development of frameworks for Kohaku wallets and private reads infrastructure. This would allow users to query balances and smart contract data without infrastructure providers or node operators being able to track their search and access patterns.

Why Buterin is prioritizing Ethereum privacy now

Buterin is now materializing the privacy-focused ideas he outlined earlier this spring. While speaking at the Web3 Festival in Hong Kong during March and April, he approached privacy from a conceptual angle - framing it as protection against AI surveillance, a defense against frontrunning, and an escape from the public bulletin board model of blockchain transparency.

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His new post moves the discussion into the realm of deployable engineering solutions.

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Instead of pursuing abstract scaling narratives and speed races, Ethereum is increasingly repositioning itself around computational sovereignty. The implementation of AA+FOCIL and hidden RPC queries serves as a direct practical response to Buterin's earlier concerns that open metadata patterns make it possible to deanonymize any investor.

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In this framework, native privacy is presented not as a tool for concealing illicit activity, but as a fundamental technical prerequisite for ETH to achieve the status of fully fungible digital money.

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