If you are confused by any of these, take the time to learn about them now. I had to keep this in mind when handling application state and user interactions. I had to learn common smart contract vulnerabilities and adopt more rigorous security practices.Īsynchronous Interactions: In the web3 ecosystem, interactions with the blockchain are inherently asynchronous, as they depend on network confirmations and block mining times. While security is always essential, the stakes are elevated in web3. Security: Writing secure smart contracts is critical in web3, as vulnerabilities can have severe consequences, such as loss of funds or compromised functionality. I had to learn how to optimize my smart contracts for gas efficiency, which involved understanding the Ethereum Virtual Machine (EVM) and learning best practices for reducing gas consumption. Gas Costs: In Ethereum, transactions and smart contract executions consume "gas," a measure of computational resources. Understanding these concepts was challenging but crucial. I had to learn how decentralized systems function, including concepts like consensus algorithms, cryptographic hashing, and distributed storage. Language Differences: Solidity, the main language for creating smart contracts on the Ethereum blockchain, has its own unique syntax and conventions that differ significantly from Java, such as the way Solidity handles data types, function visibility, and storage.ĭecentralization: Moving from a centralized, server-based mindset to a decentralized, peer-to-peer approach required a substantial mental shift. Some of the mental shifts for blockchain technology included: For me, as a long-time Java dev, there were a few key differences between web2 and web3 that took a little time to sink in. And you need to understand those new concepts pretty well to get started. Some of that probably looks familiar, while some of it is new. Understanding and using layer one blockchains.Here, we’ll cover the ones you need to get started: Well, to start, the good news is you need all those usual skills you’ve already learned as a full-stack dev (testing, devops, code reviews, etc) … plus a few new ones. What Skills Are Needed To Be a Web3 Developer?įirst, what skills exactly do you need to be a web3 developer, and how are they different from what you already know? I’ll use this layout to divide the stack into its main components: layer one blockchains, smart contracts, languages, front-end libraries, node providers, APIs, dev environments, testing, oracle, identity, and more. It’s new (meaning it’s up to date, which is always important web3 moves fast), well organized, and will help us get started a lot faster than trying to define the layout of the stack ourselves! In this article, I want to explore the web3 developer stack, the pieces of that stack I like the best, and most importantly how you can use the web3 stack as a starting point to become a web3/blockchain developer.įirst, let’s look at the layout of the stack and the general categories.ĭisclaimer: I’m cheating a little and using the logical breakdown used in the Infura Guide to the Web3 Stack to help organize my thoughts. And as the markets swing wildly on their views of the web3 ecosystem, there are a surprising number of projects and companies that just keep on building serious, and groundbreaking, components of the web3 stack. I was initially skeptical about web3/blockchain, but as I've delved deeper past the FUD and into the current state of Web3, I've come to appreciate its potential. Recently, I decided to embark on a new adventure: diving into Ethereum and web3. ![]() As an experienced full-stack developer with 30 years of experience, I’ve witnessed a lot of changes in tech, from the advent of the internet to the excitement of Java to the rise of cloud computing.
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