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
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
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