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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