Vitalik Buterin Outlines Plan to Rebuild Ethereum Around Cryptographic Proofs, Calls It a 'Cryptographic World Computer'

Ethereum co-founder Vitalik Buterin published an essay on Sunday, September 27, titled "The Cryptographic World Computer," arguing that Ethereum is outgrowing the word "blockchain."

Buterin wrote on X that the post is his attempt to "express in somewhat concise terms the true meaning of basically everything planned to happen to Ethereum" after the network's next major fork. He called Ethereum a "hybrid construction" that merges Satoshi Nakamoto's original blockchain design with 50 years of academic cryptography that "did not even exist" when Bitcoin launched in 2009, according to Decrypt.

What's actually scheduled

The near-term roadmap is concrete, at least on paper. Glamsterdam, which introduces Block-Level Access Lists under EIP-7928, has a Sepolia testnet fork scheduled for October 6, 2026, with a mainnet launch targeted for the fourth quarter of 2026, according to BigGo Finance. Ethereum Foundation researcher Toni Wahrstätter told BigGo that development on Glamsterdam and EIP-7928 is nearing completion and called it potentially one of the largest forks in Ethereum's history, attributing the long timeline to its scope.

After Glamsterdam comes Hegotá, currently placed on the official roadmap in 2027. Buterin wrote that Hegotá is "likely to be Ethereum's last 'normal' fork" — meaning the last upgrade a developer familiar with Ethereum since 2015 would still recognize.

Two proposals are already attached to Hegotá, per Crypto.news, KuCoin, and Crypto Times: FOCIL (EIP-7805), which lets a committee of validators publish inclusion lists that block builders must respect, aimed at stopping a single builder from excluding valid transactions; and Frame Transactions (EIP-8141), which lets individual accounts set their own rules for authorizing transactions instead of using one fixed signature format, opening the door to social recovery, spending limits, sponsored gas, and quantum-resistant signatures. Multiple outlets note the upgrade's full scope has not been finalized.

The bigger pitch: proofs instead of redundant computation

Buterin's larger argument is about what happens after Hegotá. Today, every fully verifying Ethereum node downloads blockchain data and re-executes every transaction to check the network's honesty. Buterin wants to replace that with SNARK proofs and PeerDAS data sampling, so nodes verify a compact proof instead of repeating all the underlying computation.

PeerDAS is not hypothetical. It already shipped as part of the Fusaka upgrade, letting nodes sample portions of blob data instead of downloading everything, according to Crypto.news and Crypto Times. Buterin's essay extends that logic further, toward recursive STARKs, a rebuilt "Lean" consensus layer, and automated formal verification.

Buterin also laid out concrete performance targets. Decrypt reported he expects finality in 8 to 32 seconds, versus roughly 200 seconds for 12 confirmations today, with slot times dropping from around 17 seconds to 4 to 8 seconds. On privacy, Buterin described a mixed picture: general-purpose computation stays expensive and only partly private, while specific applications get strong privacy from zero-knowledge proofs, with onion routing and mixnets covering network-layer metadata. The Ethereum Foundation funded a dedicated privacy research cluster starting last October, according to Decrypt. Separately, KuCoin reported the Foundation's stated target is making the execution, consensus, and data layers quantum-resistant by December 2029.

What's vision and what's actually verified

Buterin's essay is not a ratified protocol change. Ethereum upgrades go through a public Ethereum Improvement Proposal process with rough developer consensus, and Hegotá's scope is explicitly still open, per Crypto.news and Crypto Times. FOCIL's censorship-resistance pitch is real on its face — spreading transaction-inclusion power across a validator committee instead of one builder is a genuine design change — but no source here shows it has cleared the review and testing gauntlet that separates an EIP proposal from a shipped mainnet feature.

Ethereum's track record on timelines deserves scrutiny. The shift to proof-of-stake, originally pitched years earlier, took far longer than initial projections before it finally landed. A 2027 target for Hegotá, let alone a 2030 target for the full "cryptographic world computer" vision, represents a forecast from the protocol's most influential voice, not a locked-in delivery date.

Crypto Briefing flagged that Ethereum price-prediction markets showed only a modest bump after the essay, putting the odds of ETH hitting $3,500 by December 31, 2026, at 34%, while explicitly noting the underlying information source was lower-tier and market reaction was muted.

The next real checkpoint is the Sepolia testnet fork for Glamsterdam on October 6, 2026, followed by a mainnet launch expected in the fourth quarter of this year. Whether FOCIL and Frame Transactions survive Hegotá's scope negotiations into 2027, and whether recursive STARK verification ships anywhere close to Buterin's 2030 horizon, remains unresolved.