For Business

Blockchain security support, by written agreement.

For exchanges, payment teams, funds, law firms and analysts: ongoing monitoring under a retainer, address screening you can call from your own systems, and documented analysis when a matter needs it.

Security retainer · from $2,500 per month

Coverage under a written agreement

Response times, scope and remedies are set out in the agreement before it starts. Annual commitments are discounted; exchanges can scope a custom plan.

  • Wallet and transaction monitoring
  • Incident-response support within the agreed response window
  • Analyst support
  • Sanctions screening feeds
  • Quarterly security review and staff training
Custom work · quoted

Documented analysis for a matter

Documented on-chain analysis and source data to support your attorney, plus exchange and protocol security advisory. Where testimony is needed, we tell you whether we can provide it or refer you to a qualified expert.

  • Source data and methodology notes
  • Incident-response support and monitoring
  • Scope and fixed fee agreed in writing
API

Screen addresses from your own systems

Pay per call over x402: no account, no API key, no subscription. The price is shown in the HTTP 402 response before you pay.

Address screen · $0.25 per call

POST https://blockchainfraud.org/api/x402/screen
{"address":"…"}

Checks one address against the OFAC SDN list (as imported), our scam-address registry and format rules. Paid in USDC on Base via x402.

OpenAPI · x402 discovery

Free JSON check

POST https://blockchainfraud.org/api/check
{"text":"…"}

Responds with the same automated result as the home page, including the coverage list of what was and was not checked. Limited to 40 calls per 10 minutes.

On-chain identity

Paid calls settle to the wallet of UnyKorn's Genesis402 x402 rail, which has a public ERC-8004 agent identity on Base: agent #95721 (view on BaseScan).

API results are automated signals from public data: not KYC, not a compliance determination and not legal advice. Do not rely on them as the only basis for a compliance decision. Need volume, monitoring or a written agreement? Email cases@blockchainfraud.org.