Ferhat Kochan
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
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
Aave V3 Liquidation Tracker
Monitor and analyze liquidation events on the Aave V3 protocol in real-time. This project demonstrates the power of serverless blockchain data streaming using Quicknode's Streams.
AML and CFT Compliant dApp
The AML and CFT Compliant dApp enables secure ETH staking with integrated compliance features. Built on Base and compatible with any Ethereum-based network, it leverages Chainlink Functions and Quicknode's Risk Assessment API to ensure only low-risk wallets can participate in the staking pool.
Bitcoin Transaction Report Application
The Bitcoin Transaction Report app leverages the Blockbook Add-on to query the Bitcoin blockchain, filter transaction data, calculate key metrics, and display the results.
Coinbase x402 Video Paywall Demo
This project demonstrates how to implement a paywall for video content using the x402 payment protocol. The web app allows users to pay a small amount of cryptocurrency (USDC) to access paywalled video content.
Ethereum Transaction Report Application
The Ethereum Transaction Report app fetches and analyzes Ethereum transactions for a given address using Quicknode's EVM Blockbook add-on, providing detailed reports within a specified date range
Ethereum Wallet Explorer
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.