Blockchain Design Dispute
Cardano Founder Hoskinson Accuses Ethereum of Copying Staking and UTXO Designs Amid Tech Debate
Anonymous
Key Points
1
Ethereum's staking requires validators to lock 32 ETH and exposes users to slashing and withdrawal delays; by contrast, Cardano allows delegation without locking funds and uses liquid staking via derivative assets (e.g., Lido-style solutions) on the Ethereum side.
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Toni Wahrstätter's native UTXO proposal for Ethereum would treat payments as one-shot objects that disappear after use, reducing permanent state by about 99.8% and is linked to the Frame Transactions standard (EIP-8141).
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Adam Back argues that UTXO-based design is superior and that he advised Ethereum developers about this before coding, but his guidance was largely ignored as Ethereum pursued other designs.
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Hoskinson asserted that Ethereum is copying Cardano’s EUTXO and claimed discussions about Cardano by name are effectively discouraged within Ethereum circles; he frames EUTXO as one of the biggest smart-contract innovations.
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Vitalik Buterin publicly introduced Lean Ethereum as part of Ethereum's ongoing upgrades, providing context for the UTXO discussions and the push toward a lighter protocol.
Cardano founder Charles Hoskinson has publicly accused Ethereum of copying his platform's core innovations without giving credit, intensifying a long-running rivalry between the two blockchain networks. The dispute centers on Ethereum's staking model and a new proposal to add native UTXOs — a transaction design Cardano has used since its launch — to Ethereum's architecture, according to CoinCodex.
The accusations come as Ethereum Foundation researcher Toni Wahrstätter proposed using native UTXOs for Ethereum payments. Hoskinson says the idea directly mirrors Cardano's Extended UTXO (EUTXO) framework, which he calls one of the biggest innovations in smart contract history, according to Yahoo Finance.
Cardano vs. Ethereum: The Staking Model Showdown
Ethereum's staking system requires validators to lock up 32 ETH. Validators also face slashing — a penalty that destroys part of their funds — and must wait through withdrawal delays. Hoskinson argues this design is flawed and user-hostile, according to Crypto News.
Cardano works differently. Users can delegate their ADA tokens to earn rewards without ever locking them up. "There's no locking in Cardano," Hoskinson said. Funds stay accessible at all times. He argues this makes Cardano's proof-of-stake design clearly superior to Ethereum's, according to The Crypto Basic.
Ethereum Researcher Proposes Native UTXOs, Sparking Plagiarism Claims
Wahrstätter's proposal would treat Ethereum payments as one-shot objects. Each payment object disappears after it is used once. The design would cut permanent network state by about 99.8%. It is tied to a standard called EIP-8141, also known as Frame Transactions, according to CoinCodex.
Hoskinson says this is exactly how Cardano's EUTXO model works. He claims Ethereum circles actively discourage mentioning Cardano by name, even as they adopt its ideas. "EUTXO is one of the biggest smart contract innovations," he said, according to Yahoo Finance.
Adam Back Steps In to Back UTXO Lineage
Bitcoin pioneer Adam Back also weighed in on the debate. He argued that UTXO-based design is simply better than Ethereum's account-based model. Back said he advised Ethereum developers to use UTXOs before they wrote their code. They largely ignored him, according to CoinCodex.
Back frames the Wahrstätter proposal as a belated recognition that UTXO design works. The architecture traces back to Bitcoin itself, which Cardano adapted and extended. Both Back and Hoskinson argue Ethereum is arriving late to a conclusion others reached years ago.
Vitalik's 'Lean Ethereum' Push Gives UTXO Talks More Weight
The debate lands at a sensitive moment for Ethereum. Vitalik Buterin recently introduced a plan called Lean Ethereum, a push to make the protocol lighter and simpler. The initiative is part of ongoing Ethereum upgrades and gives the UTXO proposal a broader strategic context, according to CoinJournal.
ADA, Cardano's token, had gained despite a 6.6% single-day drop, with traders watching the $0.20 resistance level closely. Hoskinson's public campaign appears aimed at boosting Cardano's profile as Ethereum debates adopting features Cardano already has, according to CoinJournal.
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