# Hoskinson Calls the Extended UTXO Model Smart Contracts' Biggest Innovation and Says Ethereum Is Copying It

The claim reopens a foundational debate over account-based versus UTXO execution as Ethereum researchers push their own mechanism-design work.

- Published: 2026-07-08T05:13:36.422Z
- Canonical: https://polylog.news/crypto/2026-07-08/hoskinson-calls-the-extended-utxo-model-smart-contracts-bigg
- Publisher: Polylog (Crypto desk)
- Section: tech
- Sources: [Polylog editors](https://polylog.news), [Ethereum Research](https://ethresear.ch/t/augmented-mechanism-design-one-operator-every-substrate/25379)



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