Sergen Uysal
All authorsSergen is a Senior Technical Writer at Quicknode, where he covers blockchain developer tools, APIs, and data infrastructure across multiple networks, helping developers go from zero to production with hands-on guides and sample apps.
Recent guides
Why eth_signTransaction fails on hosted nodes, and how to sign transactions locally with Viem or ethers.js and broadcast with eth_sendRawTransaction.
Deploy a Hyperliquid Mainnet non-validating node with Docker Compose and Quicknode Peering. Verify full block and raw mempool output, then set retention.
Use the Quicknode CLI to run RPC calls with account-based access or supported stablecoin payments, verify endpoints, automate preflights, and give agents scoped access.
Learn Hyperliquid L1, L2, L3, and L4 order book data with Quicknode gRPC examples, including aggregated depth, individual orders, and wallet attribution.
Build a Robinhood Chain monitoring workflow with Quicknode Streams to detect Stock Token transfers and Uniswap swap activity in real time.
Learn how to read Stock Token data (TSLA, AAPL, NVDA, AMZN) on Robinhood Chain using Quicknode RPC and viem: token metadata, total supply, balances, and Transfer history.
Learn how to stream live stop-loss and take-profit trigger orders on Hyperliquid using Quicknode's gRPC API. Monitor resting TP/SL orders per block in TypeScript.
Discover, fund, trade, and stream Hyperliquid HIP-4 binary outcome markets using Quicknode's zero-custody REST builder API for Hyperliquid.
Build a terminal-based Sui portfolio tracker that fetches balances and transactions with GraphQL and streams live checkpoints via gRPC using Quicknode.
Recent sample apps
Aave V3 청산 추적기
Aave V3 프로토콜에서 발생하는 청산 이벤트를 실시간으로 모니터링하고 분석합니다. 이 프로젝트는 Quicknode Streams 활용한 서버리스 블록체인 데이터 스트리밍의 강력한 기능을 보여줍니다.
AI 기반 DeFi 수익 최적화 도구
이 앱은 Aerodrome Swap API를 AI 모델과 연동하여 Aerodrome용 맞춤형 DeFi 수익 최적화 도구 및 분석 대시보드를 만드는 방법을 안내합니다.
AML 및 CFT 규정을 준수하는 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 내역 조회 애플리케이션
The Bitcoin Transaction Report app uses Quicknode's Blockbook API to query the Bitcoin blockchain, filter transaction data, calculate key metrics, and display the results.
Ethereum 보고서 애플리케이션
The Ethereum Transaction Report app fetches and analyzes Ethereum transactions for a given address using Quicknode's Blockbook API, providing detailed reports within a specified date range
EVM MCP 서버
EVM MCP 서버는 Claude 같은 AI 어시스턴트를 Ethereum 기타 EVM 호환 체인의 블록체인 데이터와 연결해 줍니다. 이 MCP 서버 도구를 통해 Claude 자연스러운 대화를 통해 지갑 잔액을 Claude , 스마트 계약을 분석하며, 가스 요금을 모니터링할 수 있어, AI agents 암호화폐 데이터에 쉽게 접근할 수 있게 해줍니다.