--- title: Best Coins Bench posts — September 2022 | daily.dev description: The most upvoted Coins Bench posts from September 2022, curated by the daily.dev community. canonical: https://daily.dev/sources/coinsbench/best-of/2022/09 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/coinsbench/best-of/2022/09 og:type: website og:site_name: daily.dev og:title: Best Coins Bench posts — September 2022 | daily.dev og:description: The most upvoted Coins Bench posts from September 2022, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of Coins Bench — September 2022 1. 1 [](https://daily.dev/posts/how-i-became-a-blockchain-developer-in-2022-for-free--3ifcrb7lp "How I became a BlockChain Developer in 2022 for free:") Article Coins Bench · 4y How I became a BlockChain Developer in 2022 for free: Blockchain is one of the fastest growing fields in the tech industry with a growth rate of 44%. It will take around three to six months to become a BlockChain developer. There are two types of blockchain developers. One who designs complete blockchain and another who builds software on top of it. Here are some project ideas you can build. 69 6 2. 2 [](https://daily.dev/posts/learn-blockchain-solidity-and-full-stack-web3-development-with-javascript-32-hour-course-ilcpdxfma "Learn Blockchain, Solidity, and Full Stack Web3 Development with JavaScript — 32-Hour Course") Article Coins Bench · 4y Learn Blockchain, Solidity, and Full Stack Web3 Development with JavaScript — 32-Hour Course In week 4, I learned how to use the constant and immutable keywords to save gas on my transactions. In a situation where our variable is used in multiple lines like the constructor, we can use the immutable keyword on the variable function. 45 2 3. 3 [](https://daily.dev/posts/blockchain-explain-and-demo-rk6w4rrlg "Blockchain Explain and Demo") Article Coins Bench · 4y Blockchain Explain and Demo The decentralized network needs more machines/nodes to work and serve the users & other nodes. All nodes are equal to each other and all nodes share the same data. If a node is down it has no affect at all in the network and the network will stay available. 14 4. 4 [](https://daily.dev/posts/a-gentle-introduction-to-blockchain-oracles-chainlink-rizrwhpb0 "A Gentle Introduction to Blockchain Oracles & Chainlink") Article Coins Bench · 4y A Gentle Introduction to Blockchain Oracles & Chainlink Oracles are external services that feed real-world, off-chain information into the blockchain. The main job of an Oracle is to provide a secure feed of external data to the blockchain. Chainlink VRFs provide a way to get provably random numbers, enabling smart contracts to guarantee fairness & randomness without compromising security or usability in applications that demand randomness like lotteries. 11 [See all Coins Bench archives](/sources/coinsbench/best-of) ```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","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/sources/coinsbench/best-of/2022/09#page","url":"https://daily.dev/sources/coinsbench/best-of/2022/09","name":"Best Coins Bench Posts — September 2022","description":"The most upvoted Coins Bench posts from September 2022, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/coinsbench/best-of/2022/09#items","numberOfItems":4,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/how-i-became-a-blockchain-developer-in-2022-for-free--3ifcrb7lp","name":"How I became a BlockChain Developer in 2022 for free:"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/learn-blockchain-solidity-and-full-stack-web3-development-with-javascript-32-hour-course-ilcpdxfma","name":"Learn Blockchain, Solidity, and Full Stack Web3 Development with JavaScript — 32-Hour Course"},{"@type":"ListItem","position":3,"url":"https://daily.dev/posts/blockchain-explain-and-demo-rk6w4rrlg","name":"Blockchain Explain and Demo"},{"@type":"ListItem","position":4,"url":"https://daily.dev/posts/a-gentle-introduction-to-blockchain-oracles-chainlink-rizrwhpb0","name":"A Gentle Introduction to Blockchain Oracles & Chainlink"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Sources","item":"https://daily.dev/sources"},{"@type":"ListItem","position":3,"name":"Coins Bench","item":"https://daily.dev/sources/coinsbench"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/sources/coinsbench/best-of"},{"@type":"ListItem","position":5,"name":"September 2022"}]}]} ```