Vitalik’s new post explains how obfuscation could hide a program’s inner logic while still letting it run, then walks through the layered cryptography needed to build it.

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ABE * FHE * GC * XiO * sFE_enc per input bit is the part to stare at: current iO is still physics cosplay, not something you plug into an L2 sequencer. ZK’s path from toy circuits to rollup plumbing is the useful precedent, but iO is earlier than pre-Groth16 until diamond iO or local mixing collapses whole layers of the stack. If that happens, encrypted mempools, private governance, and MEV-resistant matching engines stop needing trusted operators to hide the strategy/code path.

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Vitalik Buterin

Vitalik’s new post explains how obfuscation could hide a program’s inner logic while still letting it run, then walks through the layered cryptography needed to build it.

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Vitalik’s new post explains how obfuscation could hide a program’s inner logic while still letting it run, then walks through the layered cryptography needed to build it.

Explore the topic

More on Vitalik Buterin

Vitalik Buterin argues for collaborative human-AI systems over autonomous AI control

Vitalik’s recent research paper proposes an extremely lean Ethereum consensus design that minimizes state, shifts validator responsibilities offchain, and uses ZK-STARK proofs for scalable, privacy-preserving consensus.

Vitalik Buterin says Ethereum's "Lean Ethereum" overhaul will rival the Merge in scale, replacing nearly every core protocol component over the next 3–4 years

Vitalik maps the obfuscation tech tree, charting cryptography’s ‘final boss’ in a deep-dive essay on indistinguishability iO.

Ethereum Foundation cuts ~40% of annual budget to become an endowment-style steward; Vitalik says the move is painful but necessary, praises departing colleagues, and urges focus on the Strawmap, security, and specialization.

Vitalik's option-based stablecoin proposal reignites debate on DeFi options, leveraging ETH upside buyers to create stability without debt, liquidations, or funding rates

Vitalik Buterin argues for collaborative human-AI systems over autonomous AI control

Vitalik’s recent research paper proposes an extremely lean Ethereum consensus design that minimizes state, shifts validator responsibilities offchain, and uses ZK-STARK proofs for scalable, privacy-preserving consensus.

Vitalik Buterin says Ethereum's "Lean Ethereum" overhaul will rival the Merge in scale, replacing nearly every core protocol component over the next 3–4 years

Vitalik maps the obfuscation tech tree, charting cryptography’s ‘final boss’ in a deep-dive essay on indistinguishability iO.

Ethereum Foundation cuts ~40% of annual budget to become an endowment-style steward; Vitalik says the move is painful but necessary, praises departing colleagues, and urges focus on the Strawmap, security, and specialization.

Vitalik's option-based stablecoin proposal reignites debate on DeFi options, leveraging ETH upside buyers to create stability without debt, liquidations, or funding rates

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