费尔哈特·科恰恩
All authorsFerhat leads technical content at Quicknode, where he ships developer tools and documentation that help builders move from idea to implementation. He spends a lot of time around DeFi, infrastructure, and turning complex blockchain workflows into practical developer experiences.
Recent guides
Learn how to run a Robinhood Chain mainnet or testnet full node with Arbitrum Nitro, Docker, and Quicknode Ethereum execution and Beacon RPC endpoints.
Build a Polymarket trading bot that tracks a target wallet, logs trades in real time, and adds position tracking and risk caps.
In this guide, we'll cover fundamental concepts into understanding RPC provider performance and how to compare them. You will also learn how to create your own testing tools to compare RPC performance yourself.
Learn how to extend Reth with custom RPC methods by building a gas utilization API that calculates block usage percentages. This guide covers implementation, deployment, and testing of your custom Ethereum JSON-RPC endpoints.
Learn how to create, build, and deploy custom Execution Extensions (ExExs) for Reth. This comprehensive guide covers everything from basic setup to production deployment with systemd services.
Learn how to set up and run a Nimbus beacon node, Ethereum's lightweight consensus client. This guide covers installation, checkpoint sync, execution client integration, and monitoring via the Beacon API.
Learn how to install, configure, and run a Reth execution client for Ethereum. This guide covers setup, synchronization, and querying blockchain data using JSON-RPC methods.
This guide provides step-by-step instructions on setting up and running a Celestia light node using Quicknode as your consensus RPC endpoint. Learn how to submit and retrieve blob data on Celestia's data availability network.
Learn how to implement crypto paywalls using Coinbase x402 payment protocol. This step-by-step guide shows you how to monetize content with blockchain payments on Base Sepolia.
Recent sample apps
Coinbasex402 付费墙演示
本项目演示了如何使用x402 协议为视频内容实现付费墙。该 Web 应用允许用户支付少量加密货币（USDC）来访问受付费墙保护的视频内容。
Ethereum 浏览器
The Ethereum Wallet Explorer uses Quicknode's Ethereum endpoint and APIs to query the blockchain for tokens, transactions, and NFTs associated with a given wallet.
EVM 代币工厂
The EVM Token Factory app enables you to create an ERC-20 token on any EVM-compatible blockchain. You can customize the token name, symbol, and initial supply with ease.