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Choose a blockchain analytics tool by testing it against your sanctions risk assessment and the work your compliance team actually performs—not by relying on a vendor ranking or a feature list. OFAC recommends tailored, risk-based controls, including screening customers and transactions, handling name variations, and using ongoing screening or risk-based historical lookbacks where appropriate. Its guidance also says to consider blockchain analytics tools, but does not endorse a vendor or prescribe one solution for every business.
Start with the sanctions obligation, not the software
For U.S. persons and others subject to U.S. jurisdiction, sanctions obligations apply to digital currency transactions as they do to traditional fiat currency. Businesses that facilitate or process digital currency transactions are responsible for avoiding unauthorized transactions. The Office of Foreign Assets Control (OFAC) recommends a tailored, risk-based compliance program that generally includes sanctions-list screening and other measures appropriate to the business. OFAC FAQ 560
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OFAC states: “There is no single compliance program or solution suitable for every circumstance.” A tool can support a program, but buying one does not itself establish that the business has met its obligations. The relevant controls depend on the organization’s jurisdiction, services, customers, transaction flows, and assessed risks. OFAC FAQ 560
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OFAC’s virtual currency industry brochure describes several screening practices that can anchor a product evaluation. Translate them into requirements for your own process rather than treating them as a universal technical specification. OFAC virtual currency industry brochure
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- Onboarding: Screen customer information against OFAC-administered lists when establishing a relationship.
- Transactions: Screen addresses and other relevant information for potential links to sanctioned persons or jurisdictions.
- Name and data variations: Ask how the system handles spelling, capitalization, spacing, and punctuation differences. OFAC recommends fuzzy logic to account for common variations.
- Ongoing checks: Determine how continuing screening is supported and whether risk-based rescreening or historical lookbacks are needed for your business.
- Blockchain analytics: Consider whether analytics capabilities can support the controls and investigations identified in your risk assessment.
Evaluate the product against your operating workflow
The brochure supports the screening practices above. The following coverage, investigation, and integration questions are procurement checks—not OFAC-endorsed specifications. Ask vendors to demonstrate the answers using your intended workflows.
Screening and data handling
- Can the service support both onboarding and transaction checks using the lists and information relevant to your program?
- What customer, wallet, address, and transaction data can it ingest, and how are potential matches presented for review?
- How does matching account for spelling and formatting variations, and what controls let reviewers distinguish plausible matches from noise?
- Can the workflow support ongoing screening and risk-based historical lookbacks when your policies call for them?
Coverage for your business
Identify the chains, assets, transaction types, jurisdictions, and services relevant to your exposure, then ask each vendor to confirm coverage in writing. The public information reviewed here does not establish current coverage for any specific vendor. Request a coverage matrix and test the scenarios that matter to your business rather than assuming that a general product description covers them.
Investigation and review
Ask analysts to walk through how they see exposure, review and resolve alerts, record decisions, preserve evidence, and escalate cases. These are buyer evaluation questions; the available public descriptions do not independently score vendors’ review or investigation workflows. Confirm that the process fits your team’s roles and documentation requirements.
Integration and operations
Confirm directly with each vendor how the service connects to your systems, how and when data is updated, and what availability, support, audit records, and contractual service commitments apply. Those details are not established by the public product pages discussed here. Get answers in writing and check that the proposed operating model is workable for your organization.
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Run a documented evaluation before choosing
- Write down your requirements. Map your risk assessment to the onboarding, transaction, ongoing-screening, lookback, investigation, and operational needs the tool must support.
- Request a written coverage matrix. Have each vendor identify the chains, assets, transaction types, jurisdictions, and workflows it supports for your intended use.
- Demonstrate representative scenarios. Use lawful test cases, including known designated addresses and plausible near matches. Ask the vendor to show how an alert is generated and reviewed.
- Record the results. Document misses, false alerts, analyst review effort, evidence captured, and escalation paths. Compare results against your stated requirements, not a generic leaderboard.
- Verify operational and contractual details. Confirm integration, update cadence, support, availability, audit records, service levels, pricing, and contract terms with the vendor.
A vendor label or alert is not legal advice or, by itself, a complete sanctions determination. Your organization remains responsible for deciding how results are reviewed and acted on within its compliance program.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What public product pages can—and cannot—tell you
Chainalysis and Elliptic publicly describe services relevant to this use case. These descriptions can help identify products to evaluate, but they do not establish comparative accuracy, completeness, or suitability for a particular organization.
| Vendor | Publicly described offering | What to verify |
|---|---|---|
| Chainalysis | Its pages describe KYT transaction monitoring, Address Screening for pre-transaction address checks, and investigation products. Chainalysis KYT Chainalysis Address Screening Chainalysis investigation software | Confirm current product names, coverage, integrations, and functionality for your workflow directly with the vendor. |
| Elliptic | Its sanctions screening page describes screening against OFAC and global sanctions lists in real time. Elliptic sanctions screening | Validate list coverage, update behavior, geographic scope, and performance for your intended workflow. |
The available public information does not support a head-to-head ranking, comparative accuracy claim, current pricing comparison, or recommendation for a particular buyer. Treat each product page as a starting point for questions and demonstrations, not proof that a tool is suitable.
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