--- title: Mastering ERC20 Token in Solidity | daily.dev description: ERC20 tokens are fungible (mutually interchangeable) and easy to maintain, thanks to smart contracts that establish a set of rules for the tokens to follow.... canonical: https://daily.dev/posts/mastering-erc20-token-in-solidity-gmuva4x9m twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Mastering ERC20 Token in Solidity | daily.dev og:description: ERC20 tokens are fungible (mutually interchangeable) and easy to maintain, thanks to smart contracts that establish a set of rules for the tokens to follow.... og:url: https://daily.dev/posts/mastering-erc20-token-in-solidity-gmuva4x9m og:image: https://api.daily.dev/og/posts/gMUvA4X9m.png og:image:alt: Mastering ERC20 Token in Solidity 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. # Mastering ERC20 Token in Solidity **[Semaphore](https://daily.dev/sources/semaphore)** · 15 min read · 1 upvotes · 0 comments ## Summary ERC20 tokens are fungible (mutually interchangeable) and easy to maintain, thanks to smart contracts that establish a set of rules for the tokens to follow. They are programmable, allowing for the customization of actions to carry out specific tasks, such as voting processes, or access control. They also provide enhanced security and reliability. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#blockchain](https://daily.dev/tags/blockchain), [#crypto](https://daily.dev/tags/crypto), [#ethereum](https://daily.dev/tags/ethereum), [#security-token](https://daily.dev/tags/security-token), [#solidity](https://daily.dev/tags/solidity) [View this post on daily.dev](https://daily.dev/posts/mastering-erc20-token-in-solidity-gmuva4x9m) ```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":"Mastering ERC20 Token in Solidity","url":"https://daily.dev/posts/mastering-erc20-token-in-solidity-gmuva4x9m","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/mastering-erc20-token-in-solidity-gmuva4x9m"},"datePublished":"2023-09-06T10:59:34.626Z","dateModified":"2023-11-20T02:14:29.768Z","description":"ERC20 tokens are fungible (mutually interchangeable) and easy to maintain, thanks to smart contracts that establish a set of rules for the tokens to follow....","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/db1a7e3ea472bf07b355a9fe7850d306?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/db1a7e3ea472bf07b355a9fe7850d306?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Semaphore","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Semaphore","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/901ef6f52ded4eb99564604b8bdaee28","url":"https://daily.dev/sources/semaphore"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/mastering-erc20-token-in-solidity-gmuva4x9m","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"blockchain,crypto,ethereum,security-token,solidity","timeRequired":"PT15M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Semaphore","item":"https://daily.dev/sources/semaphore"},{"@type":"ListItem","position":3,"name":"Mastering ERC20 Token in Solidity"}]} ```