Crypto users would specify what onchain action they want and then click “OK” or “Cancel” after seeing a transaction simulation of that action.Ethereum co-founderCrypto users would specify what onchain action they want and then click “OK” or “Cancel” after seeing a transaction simulation of that action.Ethereum co-founder

Vitalik Buterin floats TX 'simulations' to enhance crypto security

2026/02/23 09:30
1 min read

Crypto users would specify what onchain action they want and then click “OK” or “Cancel” after seeing a transaction simulation of that action.

Ethereum co-founder Vitalik Buterin has suggested using “transaction simulations” and other similar features to improve the user experience and security of Ethereum wallets and smart contracts. 

Vitalik Buterin floats TX 'simulations' to enhance crypto security

In a post to X on Sunday, Buterin argued that security and user experience are not separate fields, as both revolve around user intent — ensuring protocols are doing what users intend them to do.

Buterin said an intent security approach could involve designing systems that double-check user actions, and could apply to Ethereum wallets and smart contracts, but also apply more broadly, such as operating systems and hardware. 

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