Courses

Developer Fundamentals

Effectively retrieve and interpret on-chain data from the VeChainThor blockchain using the VeChain SDK to power interactive dApps.

Beginner

45 minutes

Delegated Proof of Stake (DPoS), Block Aliases, Multi-clause Transactions, Receipts, VET vs. VTHO, ABI, and Event filtering

Prerequisites

Basic JavaScript/TypeScript knowledge

Read Data 📖

Mastering the ability to read data is the foundation of building any decentralized application. In this series, you will learn how to peer into the VeChainThor blockchain to retrieve blocks, transactions, account states, and smart contract events.

Skills the Learner Will Acquire:

  • Connecting to the VeChain network via ThorClient.

  • Retrieving block and transaction metadata.

  • Distinguishing between user accounts and smart contracts.

  • Querying smart contract states and filtering event logs.

  • Tracking native VET transfers.

Wrapping-up

Wrapping-up

1. The Blockchain Heartbeat

1. Meet VeChain