# Does Sentinel3 work when transacting directly from a contract?

No. Transacting directly from a contract is usually done at blockchain explorers such as Etherscan. Those sites allow users to execute whatever they want on the blockchain and thus are never scanned by Sentinel3.

[**List of blockchain explorer sites currently excluded on Sentinel3**](/kerberus/frequently-asked-questions/software-faq/does-sentinel3-scan-every-website-i-visit.md)


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