Artur Chmaro
Tutorials and other materials related to Web3, React, JavaScript, Ethereum, Node.js, blockchain, IPFS and more.
Simple AI Chatbot that suggests games to play (Next.js + PostgreSQL + OpenRouter)
Building Web3 Apps in 2025: My Ideal Tech Stack
Building ERC20/NFT token-gated access in Next.js 14
Allow clients deploy smart contracts with your web app
Implementing ERC20 USDT Payments in React, wagmi and viem
Easy Guide to Converting USD price to crypto in Smart Contracts
NFT Drop Checklist for Success (dev perspective) ✅
Limiting NFT Minting to a Specific Timeframe in Solidity
How to get real-time events about NFTs from OpenSea in Node.js
How to split ETH payments with smart contract
Resolve ENS domain name in React.js Hook
How to estimate smart contract costs (deployment and functions)
How to stake / deposit NFT in Solidity smart contract
How to use old/deployed smart contract in Remix IDE
How to publish and verify smart contract code (Solidity, Remix, EVM)
How to store NFT metadata and SVG image completely on-chain (ERC721/ERC1155)
How to deploy any smart contract to BSC or Polygon?
Switch MetaMask network to any chain 🛠 React.js
Integrate React.js with Smart Contracts (read / write / events)
Super simple global state in React 🤩 (react-hooks-global-state)
SupaBase.io + Next.js 🔥 First-look / overview
How to store NFT metadata URI in ERC1155 Solidity 🧐
Zdecentralizowany handel grami - Szymon Jankowski z Hashup.it
Transfer ERC20 token from your Solidity smart contract
Trade/sell NFTs automatically from Solidity smart contract
How to mint NFT and publish it on OpenSea using ERC1155 smart contract
Deploy your first Solidity smart contract with Remix IDE
Sign and Verify messages with React.js and MetaMask
Send ETH payments using React.js / MetaMask
Web Developerka w Japoni - Justyna Marciniak