Ethereum co-founder Vitalik Buterin said the network's Hegotá upgrade, planned for 2027, is likely to be the final "normal" hard fork whose features remain recognizable to anyone familiar with Ethereum in 2015.

In a Sunday post, Buterin framed Hegotá as the closing chapter of the network's current development model. After it, he argued, Ethereum's roadmap would shift toward a fundamentally different architecture built on recursive STARKs, automated formal verification, optimized consensus and quantum-safe cryptography.

What did Buterin say about Hegotá?

Buterin identified PeerDAS as the inflection point for that transition. PeerDAS allows nodes to verify data availability by sampling portions of a block's data rather than downloading the full dataset, a step toward the lighter node designs Ethereum researchers have been pursuing under the broader "Lean Ethereum" initiative.

"PeerDAS marked the start of Ethereum's transition from being just a blockchain to being something much more powerful," Buterin wrote.

The change, in his framing, would reposition Ethereum as a "cryptographic world computer." Under that model, the base layer settles transactions and verifies results while more computation moves offchain through cryptographic proofs, privacy tools and decentralized offchain components.

What would a 'world computer' actually change?

The architecture would alter how Ethereum applications are built. Developers could execute complex logic outside smart contracts while the base layer verifies that resulting transactions comply with protocol rules before final settlement.

Buterin tied the shift to formal verification, a discipline in which code is mathematically proven to match a specification. He has previously argued that AI-assisted formal verification could replace parts of the testing and auditing workflow that currently depends on human reviewers. His "Lean Ethereum" strawmap lists formal verification, optimized consensus and quantum resistance as core priorities.

How are researchers responding?

Ethereum researcher Barnabé Monnot welcomed the direction. Moving computation offchain while committing to and proving the results onchain could significantly reduce the work required from the network and enable lighter nodes, he said.

Monnot, however, pushed back on taking the model too far. A "world computer," he argued, should keep the records its applications depend on directly onchain. That design would let users observe activity and interact with applications without relying on external servers or intermediaries, preserving the openness that distinguishes a public blockchain from a hosted service.

Pseudonymous commentator "Cryptographic" said the architecture could expand what decentralized finance applications can do. DeFi lending was his example: collateral analysis, liquidation routing, or matching borrowers and lenders could occur offchain before Ethereum verifies and settles the outcome, freeing onchain throughput for settlement rather than execution.

What are the doubts?

Crypto lawyer Gabriel Shapiro questioned the underlying demand. He noted that most existing financial services rely on reputation, regulation and legal enforcement rather than continuous cryptographic verification, and asked how much real appetite exists for proof-based replacements of those trust arrangements.

The unresolved question is how much state and computation should migrate offchain before Ethereum loses the properties that distinguish it from a settlement layer administered by a chain of intermediaries. With Hegotá positioned as the last "normal" fork, the answer to that question becomes the central design constraint for the upgrades that follow through 2027 and beyond.