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
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.
Maak een TypeScript-script waarmee je via één enkele MPP-sessie de saldi van native tokens op 15 EVM-ketens kunt opvragen. Leer meer over de levenscyclus van sessies, betalingen op basis van vouchers en kostenoptimalisatie.
Build a bot that queries Hyperliquid data via the SQL Explorer REST API and delivers a formatted market digest to Telegram on a daily schedule.
Build a dynamic wallet watchlist using Quicknode Webhooks and Key-Value Store. Add or remove addresses on the fly without restarting your webhook.
Learn how to access Quicknode's blockchain infrastructure using x402 payments. No account, API keys, or subscription required. Useful for AI agents, bots, and developers who want on-demand access with wallet-based authentication.
Build a proactive alerting system that monitors Quicknode RPC credit usage and sends notifications to Slack, PagerDuty, Discord, or Prometheus before you hit your limits.
Recent sample apps
AI Powered DeFi Yield Optimizer
This app teaches you how to integrate the Aerodrome Swap API with an AI model to create a personalized DeFi yield optimizer and analytics dashboard for Aerodrome.
EVM MCP-server
EVM MCP Server connects AI assistants like Claude or Cursor to blockchain data across Ethereum and other EVM-compatible chains. This MCP server tool lets Claude check wallet balances, analyze contracts, and monitor gas prices through natural conversation, making crypto data accessible to AI agents.
Flashblocks Base App
A dapp demonstrating Base Flashblocks capabilities with a side-by-side comparison of transaction confirmations: Flashblocks vs Traditional blocks.
HyperCore-bestellingsmonitor
Volg handelsorders op Hyperliquid Core (L1) in realtime met Quicknode Streams en KV Store voor dynamische filtering.
Hyperliquid TP/SL-warmtekaart
Een realtime browserdashboard dat inactieve Hyperliquid TP/SL-triggerorders weergeeft als clusters van prijsniveaus, gekoppeld aan actuele bied- en laatkoersen uit de Quicknode Hypercore gRPC-streams.
RWA Tokenizer
Tokenize Real World Assets (RWAs) as ERC-721 NFTs with IPFS metadata and cross-chain bridging via LayerZero V2 between Base Sepolia and Ethereum Sepolia.