Developer Fundamentals
Effectively monitor real-time changes on the VeChainThor blockchain using WebSockets and Bloom filters to build responsive dApps.
Beginner
20 minutes
WebSockets vs. Polling, Event Subscriptions, VET Transfer Logs, Pending Transaction Pool, Heartbeat Signals (Beats), and Bloom Filters
Prerequisites
Basic understanding of JavaScript and the VeChain SDK

Mastering Real-Time Blockchain Monitoring 📡
Welcome to the cutting edge of Web3 development! In this series, you will learn how to turn your static applications into dynamic, reactive powerhouses by listening to the "heartbeat" of the VeChainThor blockchain.
Skills the Learner Will Acquire:
Establishing direct WebSocket connections to VeChain nodes.
Subscribing to and filtering live VET transfers.
Monitoring new blocks and pending transactions.
Using "Beats" and Bloom filters for high-efficiency data handling.
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