Skill UI

This skill provides a comprehensive guide for developers on performing fundamental blockchain queries using QuickNode's RPC infrastructure. It demonstrates how to retrieve the current block number, check ETH balances for specific addresses, read data from ERC-20 smart contracts, and fetch transaction receipts. It is essential for initial Web3 integration and blockchain development projects using JavaScript/TypeScript.

This guide provides a comprehensive, step-by-step walkthrough for developers to set up QuickNode blockchain RPC endpoints and integrate required SDKs (such as @quicknode/sdk or ethers.js). Learn how to obtain endpoints, configure environment variables, and verify connectivity to major blockchain networks like Ethereum for seamless Web3 development.

This skill provides deep dive patterns for setting up and utilizing a local development loop using QuickNode. It integrates blockchain RPC endpoints and the QuickNode SDK, allowing developers to connect to the blockchain, retrieve block numbers, and implement robust error handling (e.g., 401 Unauthorized, Rate limited). It is essential for building reliable Web3 and decentralized applications.

This skill provides developers with implementation patterns for optimizing performance using blockchain RPC endpoints and the QuickNode SDK. It guides users on connecting to the network, handling common API errors (like rate limits or unauthorized access), and integrating the QuickNode infrastructure for building robust Web3 applications.

This comprehensive checklist guides developers through the essential steps and best practices for integrating QuickNode's RPC endpoints into production Web3 infrastructure. It covers connection establishment using the QuickNode SDK, crucial error handling (such as rate limits and 401 unauthorized errors), ensuring reliable and stable blockchain application deployment.

This skill provides detailed implementation patterns for handling rate limits when connecting to QuickNode's blockchain RPC endpoints and utilizing the QuickNode SDK. It is essential for developers building robust Web3 applications, guiding them through connection setup, best practices, and resolving common blockchain errors such as 401 Unauthorized or Rate limited responses.

This guide provides implementation patterns for integrating QuickNode's reference architecture. It covers best practices for using blockchain RPC endpoints and the QuickNode SDK, enabling developers to connect to the Ethereum network, read block data, and manage common Web3 interactions. Ideal for any blockchain development project requiring robust connectivity.

This SDK pattern guide provides production-ready, best-practice coding patterns for building robust decentralized applications (dApps) on the blockchain. It covers essential concepts like provider singletons, implementing exponential backoff retry logic for transient RPC failures, managing multi-chain connectivity, batching RPC calls for efficiency, and caching contract interactions using ethers.js. Ideal for developers building scalable, reliable Web3 infrastructure.

This guide provides implementation patterns for establishing security basics when working with QuickNode. It details how to utilize blockchain RPC endpoints and the QuickNode SDK for robust Web3 infrastructure integration. Learn best practices for secure connection, understanding error handling (like 401 Unauthorized or rate limiting), and building reliable applications on the Ethereum network.

This skill provides implementation patterns for migrating and upgrading blockchain infrastructure using QuickNode's RPC endpoints and SDK. It guides developers through connecting to QuickNode, handling common Web3 development errors (such as unauthorized access or rate limits), and ensuring seamless blockchain integration for modern applications.

This guide addresses the critical difference between standard Node.js SHA3-256 and the Keccak-256 hash function required by Ethereum. Using the wrong hash function can silently corrupt calculated function selectors, event topics, storage slots, and derived addresses. It provides best practices and code examples for using dedicated libraries (like ethers, viem, web3.js) to ensure correct, Ethereum-compliant hashing in JavaScript and TypeScript environments.