The Scan

Short engineering notes, release updates, and explorer deep-dives from the OpenScan.AI team

By OpenScan

How to Check and Revoke Token Approvals on XDC

Find which contracts can spend your XRC-20 tokens and revoke stale approvals using xdcscan.io's Read/Write Contract tabs — no third-party tools required.

Guides

By OpenScan

How to Read a Transaction on XDCScan

A beginner's walkthrough of a transaction page on xdcscan.io — status, value, fees, token transfers, and logs, step by step with real explorer links.

Guides

By OpenScan

How to Verify Your Contract on XDCScan

Step-by-step guide to verifying a Solidity or Vyper smart contract on xdcscan.io — flattened source, standard JSON, multi-part files, and Sourcify.

Guides

By OpenScan Engineering

XDCScan Upgraded to Indexer v2.1

Our XDC Network explorer now runs on indexer v2.1 — faster block finality tracking, parallel log decoding, and a leaner database layout. Here's what changed under the hood.

Release

By OpenScan Engineering

New: Multi-Part Contract Verification

You can now verify Solidity contracts compiled with multi-part metadata — the standard output of Hardhat and Foundry — directly from the contract page on XDCScan.

Feature

By OpenScan Engineering

OpenScan API Rate Limits Explained

How rate limiting works on the OpenScan REST API v2, what the limits actually are, and how to design your integration so you never hit them.

API

By OpenScan Engineering

How OpenScan Decodes Contract Events with AI

Raw event logs are hex. Ours aren't. A look at how OpenScan's AI insight engine turns decoded logs and transaction traces into human-readable activity summaries.

Engineering

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