A website’s availability, a no-KYC label or a historic sanctions headline is not legal clearance. Check current primary materials and obtain advice for your own facts.
What this guide covers
This is general educational information about selected U.S. issues, reviewed on September 20, 2026. It is not legal advice, an exhaustive account of federal or state law, or an assessment of a specific service. Other jurisdictions may impose different requirements.
Holding stablecoins, using software and operating a service are different activities. Do not automatically transfer obligations described for a money-transmission business to every reader, or infer that an ordinary user is exempt from all other rules.
Start with the role and activity
FinCEN’s 2019 guidance explains how its existing regulatory framework applies to certain business models involving convertible virtual currency. Its release describes registration, anti-money-laundering, recordkeeping and reporting obligations where the relevant money-transmitter rules apply.
The meaningful question is what a person or business actually does. A product name such as mixer, wallet, exchanger or protocol does not settle the legal classification. Our source is the official guidance announcement; a case-specific analysis must examine the guidance itself and later applicable law.
Do not use an outdated Tornado Cash headline
On March 21, 2025, the U.S. Treasury announced the removal of economic sanctions against Tornado Cash. An article that treats the original designation as unchanged without acknowledging that action is incomplete.
That dated delisting is not blanket permission for every person, transaction or service, and it does not decide unrelated criminal or regulatory questions. Treasury’s announcement also discusses continuing concerns about North Korean cyber activity. Recheck current official materials before relying on a sanctions status.
Legal rules and contract rules are separate
Scroll horizontally to read all columns.
| Layer | Question |
|---|---|
| Applicable law | Which rules apply to the activity, people and jurisdictions involved? |
| Sanctions and restrictions | Are relevant counterparties or activities restricted under current rules? |
| Issuer terms | What limits apply to token holding, services and direct redemption? |
| Provider terms | Are you eligible, and what review or refund conditions apply? |
| Tax and records | What documentation or reporting obligations apply to your situation? |
A service may refuse an activity even when you believe it is lawful. Conversely, access to a service does not prove the activity is lawful. Do not confuse contractual access with regulatory permission.
Prepare useful facts for qualified counsel
Do not send a seed phrase or private key as part of a legal enquiry. If a restriction or investigation is already involved, preserve records and seek qualified advice rather than attempting to route around the control.
- Your role: personal user, business, developer, operator or custodian.
- Relevant residence, incorporation and operating jurisdictions.
- The actual flow of assets and who controls funds at each stage.
- The named service, current terms and any notices or restrictions.
- Dates and records relevant to the proposed or completed activity.
Sources & review
Editorial review: Sep 21, 2026. Source-specific dates and retrieval limits are stated where relevant. Issuer and service statements are attributed, not independently audited; a citation is not an endorsement.
- FinCEN · 2019 virtual-currency guidance (opens in a new tab)
U.S. money-transmission framework and business-model distinctions.
- U.S. Treasury · Tornado Cash delisting (opens in a new tab)
March 21, 2025 announcement; a dated action, not universal legal clearance.
- Circle · USDC terms (opens in a new tab)
Redemption eligibility, blocked addresses and issuer rights.
- Tether · Legal terms (opens in a new tab)
Issuer terms and restrictions; check the applicable entity and document.