Question 1

How does the 0x and Chainalysis Sanctions integration work in B3OS?

Accepted Answer

B3OS connects 0x liquidity aggregation with Chainalysis Sanctions screening. When a transaction is initiated via 0x, the workflow automatically triggers a check against OFAC, EU, and UN sanctions lists before execution can proceed.

Question 2

What happens if I don't provide a specific connector for Chainalysis?

Accepted Answer

If no specific connector is attached to your workflow, B3OS will automatically fall back to using the CHAINALYSIS_SANCTIONS_API_KEY defined in your environment variables to ensure uninterrupted screening.

Question 3

Which sanctions lists are covered by the Chainalysis Sanctions API?

Accepted Answer

The integration screens blockchain addresses against major international lists, including OFAC (US), the European Union (EU), the United Nations (UN), and other critical global regulatory watchlists.

Question 4

Can this integration prevent illicit trades in real-time?

Accepted Answer

Yes. By embedding Chainalysis Sanctions screening directly into your 0x-powered trading workflows, you can programmatically halt any transaction involving a sanctioned address before the trade is finalized.

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