--- title: The EVM — CallData. I have been busy learning and gone well… description: CallData is a piece of the transaction that tells the EVM what action to perform, serving as the bridge between the user's intention and smart contract's... canonical: https://daily.dev/posts/the-evm-calldata-i-have-been-busy-learning-and-gone-well--ia5lq77k7 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: The EVM — CallData. I have been busy learning and gone well… | daily.dev og:description: CallData is a piece of the transaction that tells the EVM what action to perform, serving as the bridge between the user's intention and smart contract's... og:url: https://daily.dev/posts/the-evm-calldata-i-have-been-busy-learning-and-gone-well--ia5lq77k7 og:image: https://api.daily.dev/og/posts/Ia5lQ77K7.png og:image:alt: The EVM — CallData. I have been busy learning and gone well… og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # The EVM — CallData. I have been busy learning and gone well… **[Coins Bench](https://daily.dev/sources/coinsbench)** · 2 min read · 1 upvotes · 0 comments ## Summary CallData is a piece of the transaction that tells the EVM what action to perform, serving as the bridge between the user's intention and smart contract's execution. It is important for safety and helps the smart contracts operate as expected in the Ethereum network. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#web3](https://daily.dev/tags/web3), [#ethereum](https://daily.dev/tags/ethereum), [#solidity](https://daily.dev/tags/solidity), [#smart-contracts](https://daily.dev/tags/smart-contracts), [#evm](https://daily.dev/tags/evm) [View this post on daily.dev](https://daily.dev/posts/the-evm-calldata-i-have-been-busy-learning-and-gone-well--ia5lq77k7) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"The EVM — CallData. 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