
Explore layer 1 blockchain scalability and how Polygon, as an Ethereum layer 2 sidechain using POS, delivers faster transactions and lower gas fees.
Explore how Polygon rollups use zero knowledge proofs to verify off-chain transactions, delivering cheaper, faster layer two scaling for Ethereum. Compare rollups with sidechains on security, cost, and complexity.
Learn how stablecoins keep value by pegging to real-world assets such as the us dollar, using collateralized reserves, fiat, gold, or crypto backing, including examples like Tether and Dai.
Explore the rise and fall of TerraUSD and Luna, algorithmic stablecoins pegged to the dollar. Identify factors behind the 2022 collapse, including market downturn and liquidity gaps.
Explore the difference between proof of work and proof of stake, and how validators stake cryptocurrency to add blocks and earn rewards on Polygon and Ethereum networks.
Explore Polygon's proof-of-stake sidechain architecture, focusing on bore as the block producer, Heimdall, and smart contracts within the EVM, which runs Solidity bytecode.
Explore how polygon's architecture deploys a set of smart contracts on the Ethereum mainnet, including the Matic token swap onto polygon and the checkpoints mechanism.
deploy your first smart contracts on the matic mumbai testnet, including an erc20 token, a savings contract, and a manager, and learn token transfers, approvals, minting, and burning in solidity.
Learn how to add your custom ERC20 token to Metamask by importing its contract address, selecting the symbol and 18 decimals, and minting tokens in the next video.
Explore how ERC-20 token minting works, including public variables, access control, and the implications of minting by anyone versus restricted design, with Polygon vs Ethereum contrasts.
Learn how to mint tokens with 18 decimals in solidity using integers, understand tokenomics basics, and see how transfer from enables DeFi exchanges and lending.
Explain how the transfer from mechanism in the erc20 standard uses allowance and approve to let a spender move tokens, with nested mappings and defi use cases like dexes.
Explore Solidity as the primary language for implementing smart contracts, the pragma Solidity line. Learn how Solidity powers NFT marketplace development on Ethereum and interfaces with JavaScript.
Deploy your first crypto token contract and compile to view live deployment data. Assign 400 tokens, observe gas costs, and verify deployment via the tokens button and console.
Explore Solidity visibility keywords (public, private, external, and internal) and see how the address type and msg.sender regulate who can mint tokens.
Learn how constructors in Solidity are special functions that run immediately upon deployment, initialize values like the mentor address from the current caller, and can only run once.
Learn to declare and initialize Solidity variables in a learn variables contract, using uints, bools, and strings with camelCase and proper semicolon syntax.
Explore arrays in Solidity by declaring int arrays (including a fixed-size 200) and using push, pop, and length to add, remove, and count elements, with practical examples.
Learn to compact an array by moving the last element into the target index, popping the end, and verifying with tests that push values and get length.
Explore abstract contracts in Solidity, where a function with no implementation makes a contract abstract, and learn how derived contracts override and inherit behavior.
Learn how to enter Node.js in the terminal, write JavaScript, and manipulate an array with push. Practice creating an empty array and adding three colors in Node.
Connect Metamask to the Polygon zkEVM test net, switch from Mumbai, and configure RPC URL, chain ID, and explorer for testing smart contracts with a front end.
Add test tokens to the ZK polygon network via faucet, connect with metamask, and verify the transfer on the explorer before the next lesson on ERC 721 and SSC EVM.
Clone the official polygon template from GitHub, install dependencies with npm, and run a local dev server using hardhat to build a web3 front end that interacts with MetaMask.
Deploy smart contracts on Polygon's zk evm testnet using devops and hardhat toolbox, compiling and deploying, then connect your front end for a layer two to layer one workflow.
Welcome to "The Official Polygon Tutorial Code Along," a practical and condensed high grade level course that runs through official Polygon documentation and tutorials tailored specifically for developers and programmers ready to advance their careers in the world of web3, blockchain technology and decentralized finance (DeFi). Whether you're an aspiring developer looking to harness the potential of cutting-edge technologies, a seasoned programmer seeking to diversify your skillset, or an enthusiast eager to explore the transformative landscape of DeFi, this comprehensive journey is designed to propel you to industry-grade heights.
Led by Clarian, an experienced professional with an impressive track record of working with top 40 blockchain companies and leading successful tech teams worldwide, this course is an unparalleled opportunity to gain hands-on experience and a deeper understanding of DeFi and blockchain intricacies.
With a strong emphasis on hands-on learning, we will immerse you in the world of DeFi and the cutting-edge Polygon blockchain. From the very beginning, you'll be introduced to the fundamentals of blockchain technology, exploring concepts like data structure, cryptographic hashing, consensus algorithms, and the nuances of permissioned and permissionless blockchains. Our expert instructors will present these complex topics in a manner that is accessible and comprehensible, even for those with no prior programming knowledge.
As we venture further, Section 2 will take you deep into the realm of DeFi, exploring its transformative potential in reshaping traditional finance. From the foundation of smart contracts to the facilitation of peer-to-peer financial services through blockchain technology, you'll uncover the intricacies of DeFi protocols. Decentralized exchanges (DEXs), lending, borrowing, and liquidity provision will be explored, along with real-world case studies that showcase the global impact of these projects.
In Section 3, we'll embark on an awe-inspiring journey into the inner workings of Polygon's blockchain architecture. Delve deep into zk rollups, Heimdall, side chains, and bridges, and comprehend how Polygon's technology enhances scalability and interoperability with other blockchains. This knowledge will position you as an industry-ready professional, ready to tackle the challenges and demands of the blockchain world.
Hands-on experience is at the heart of this course, and Section 4 will empower you to put theory into practice. Regardless of your programming expertise, you'll confidently develop your own decentralized applications (DApps) on the Polygon blockchain. From building a decentralized savings account to creating a DApp manager account and minting custom tokens with smart contract functionalities, you'll gain invaluable experience that will set you apart in the job market.
In Section 5, we'll shift our focus to Solidity, the programming language of choice for Ethereum and Polygon smart contracts. You'll acquire the essential skills needed to write secure and efficient smart contracts, covering data types, control structures, functions, modifiers, and industry best practices. This proficiency will open doors to a world of exciting blockchain development opportunities.
And finally, the grand finale awaits in Section 6! Together, we'll embark on an exhilarating journey to build a fullstack ZK-EVM counter on the Polygon blockchain from scratch. Experience the power of zero-knowledge proofs combined with Ethereum's EVM, enabling enhanced privacy and scalability for blockchain applications. This final project will culminate in constructing a decentralized autonomous organization (DAO) for voting, providing you with hands-on experience in decentralized governance.
Enrolling in this course requires no prior experience or knowledge. However, a basic understanding of the blockchain space and programming will facilitate your progress through the introductory videos. Our inclusive approach ensures that learners of all backgrounds feel welcome, supported, and motivated to excel in their DeFi and Polygon blockchain development journey.
If you're ready to unlock the full potential of DeFi and Polygon's groundbreaking technology, and to redefine what's possible in the world of blockchain, then join us now! Let's embark on this transformative journey together and shape the future of finance in the decentralized world. Enroll in "The Official Polygon Tutorial Code Along - All Levels - DeFi" today, and seize the opportunity to elevate your career and create a lasting impact on the blockchain industry. The future is changing with blockchain, and it starts with you.