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Do crypto and stablecoin businesses need to register as MSBs?

Checked against the cited sources: October 2026

Often, yes. Under current rules and guidance from FinCEN (the Financial Crimes Enforcement Network, the Treasury bureau that administers the Bank Secrecy Act, or BSA), a business that, as a service to others, exchanges crypto for money or other crypto, holds and sends crypto for customers, or issues and redeems its own coin, including a stablecoin, is generally a money transmitter. That makes it a money services business (MSB) that must register with FinCEN unless a limitation or exception fits its facts. The GENIUS Act, which takes effect January 18, 2027, creates a separate federal regime for payment stablecoin issuers, and a pending FinCEN proposal would take only those approved issuers, which it calls PPSIs, out of the MSB definition: "This carve out only applies to PPSIs" (91 FR 18592).

The federal test

FinCEN's rule defines money transmission services as accepting currency, funds or "other value that substitutes for currency" from one person and transmitting it "to another location or person by any means" (31 CFR 1010.100(ff)(5)(i)(A)).

FinCEN treats convertible virtual currency (CVC), virtual currency that "either has an equivalent value as currency, or acts as a substitute for currency," as "value that substitutes for currency." Labels such as "cryptocurrency" or "digital asset" do not decide the answer (FIN-2019-G001, section 1.3). The answer "is a matter of facts and circumstances." The rule's limitations, such as for funds moved "only integral" to selling your own goods or services, are read narrowly: FinCEN "interprets these exemptions strictly" (31 CFR 1010.100(ff)(5)(ii); FIN-2019-G001, section 2).

Who is usually in

FinCEN's 2019 guidance covers common models:

  • Exchangers and administrators. FinCEN says "exchangers and administrators generally qualify as money transmitters under the BSA, while users do not." An exchanger exchanges virtual currency for real currency, funds or other virtual currency as a business; an administrator issues one and has the authority to redeem it (section 3).
  • Custodial wallets. "Hosted wallet providers are account-based money transmitters" (section 4.2.1).
  • Crypto kiosk operators that accept cash and send crypto, or the reverse (section 4.3).
  • Trading platforms that buy the crypto from the seller and sell it to the buyer when trades match (section 5.1).

Who is usually out

Under the same guidance, these roles alone are not money transmission:

  • A user, "a person that obtains virtual currency to purchase goods or services" on its own behalf (section 3).
  • A supplier of software or other tools, which is "engaged in trade and not money transmission" (section 4.5.1(b)).
  • A multi-signature wallet provider that only creates unhosted wallets needing its second key to complete transactions (section 4.2.2).
  • A platform that only posts bids and offers, where the parties settle elsewhere (section 5.1).
  • A developer, "for the mere act of creating the application" (section 5.2.2).
  • A business that only invests in crypto for its own account, which a 2014 FinCEN ruling treats as a user (FIN-2014-R002).

Each can change if the business also holds or moves value for others, or has "fewer, additional, or different features" (section 1.1).

Stablecoin issuers today

FinCEN's April 2026 proposed rule says: "Currently, stablecoin issuers generally are subject to BSA obligations as financial institutions, specifically money transmitters, which are a type of MSB" (91 FR 18582, 18588).

What MSB status involves

Core federal duties include:

  • Registering with FinCEN on Form 107, even if a state licenses you (31 CFR 1022.380(a)(1)). File within 180 days after the business is established (31 CFR 1022.380(b)(3)), which FinCEN's crypto guidance counts from when you start money transmission. Then renew for each later two-calendar-year period, filing by December 31 of the year before that period begins (31 CFR 1022.380(b)(2)-(3)).
  • A written, risk-based anti-money laundering (AML) program (31 CFR 1022.210).
  • Suspicious activity reports, generally where a suspicious transaction involves or adds up to at least $2,000 (31 CFR 1022.320).
  • Currency transaction reports for cash transactions of more than $10,000 (31 CFR 1022.310; 1010.311).
  • Funds transfer records and the "travel rule" for transmittals of $3,000 or more, which can cover crypto. Under the travel rule, a US transmittor's or intermediary financial institution must pass sender details, and recipient details received, to the next financial institution; some transmittals are excepted (31 CFR 1010.410(e)-(f); FIN-2019-G001, section 2.1).

Firms outside the US can be covered too (FIN-2019-G001, section 3); see our guide for foreign fintechs.

Doing business without a required registration is unlawful, and each day is a separate violation (31 CFR 1022.380(e)). Knowingly running an unregistered money transmitting business is a federal crime (18 U.S.C. 1960).

What the GENIUS Act changes

The GENIUS Act became law on July 18, 2025. The Office of the Comptroller of the Currency (OCC) says it takes effect January 18, 2027 (section 20).

A payment stablecoin is a digital asset used, or designed to be used, for payment or settlement. Its issuer must convert, redeem or repurchase it for a fixed amount of monetary value, such as dollars, and says, or creates a reasonable expectation, that it will keep a stable value. National currencies, deposits and securities are excluded (section 2(22)).

  • Issuing generally requires approval. From January 18, 2027, "It shall be unlawful for any person other than a permitted payment stablecoin issuer to issue a payment stablecoin in the United States" (section 3(a)). Exceptions include limited safe harbors that Treasury may provide (section 3(c)) and foreign issuers that meet all of section 18's conditions (section 18(a)). A permitted issuer must be "a person formed in the United States" and approved by a federal or state regulator (sections 2(11), 2(23), 2(31)).
  • Permitted issuers get their own BSA status. Each "shall be treated as a financial institution for purposes of the Bank Secrecy Act," with duties including an AML program, suspicious transaction reporting and sanctions compliance (section 4(a)(5)(A)).
  • FinCEN proposes moving them out of the MSB rules. In April 2026, it proposed carving permitted issuers, and only them, out of the MSB definition, effective 12 months after a final rule (91 FR 18592, 18620). As of October 22, 2026, it was still a proposal.
  • Platforms from January 18, 2027. A digital asset service provider, such as an exchange or custodian, may not offer, sell or make available in the US a foreign issuer's payment stablecoin unless the issuer can comply, and will comply, with lawful orders and any reciprocal arrangement Treasury makes with a jurisdiction whose stablecoin rules are comparable (sections 3(b)(2), 18(d)).
  • Platforms from July 18, 2028. A provider may not offer or sell a payment stablecoin to a person in the US unless a permitted issuer issued it. Exceptions include limited safe harbors and qualifying foreign issuers (sections 3(b)(1), 3(c), 18).
  • Exempt transactions. Section 3 does not apply to direct transfers between two individuals acting for themselves "without the involvement of an intermediary", to certain transfers between an individual's own US and foreign accounts, or to self-custody wallet transactions (section 3(h)(1)).

On October 21, 2026, the OCC issued a final rule for issuers it oversees, effective January 18, 2027 (OCC News Release 2026-92). It "generally expects to grant requests for waivers" of the approval requirement, for up to 12 months, to issuers already operating in the US that ask in writing, with a substantially complete application pending with it by January 18, 2027; by statute, only insured depository institutions' subsidiaries and federal qualified issuer applicants qualify (section 5(f)). It generally expects new issuers to wait for approval (OCC Bulletin 2026-51).

FinCEN said that "stablecoin issuers that issue tokens that are not payment stablecoins, i.e., value that substitutes for currency, will remain subject to the MSB framework" (91 FR 18592).

State licensing is a separate question

State money transmission laws vary. The Conference of State Bank Supervisors (CSBS), which supports state regulators, says more than half of the states have enacted its model law, the Money Transmission Modernization Act, "in full or in part," and the model law marks its virtual currency article as optional. Knowingly running a money transmitting business that affects interstate or foreign commerce without a license a state requires, where that is a state misdemeanor or felony, is also a federal crime, whether or not the person knew a license was required (18 U.S.C. 1960(a), (b)(1)(A)). Check each state where you have customers.

What to do next

Sources

This guide is general information, not legal advice. Forteris is not a law firm.

Last checked: October 2026

Short answers

Is a crypto exchange a money services business?

Generally, yes. FinCEN's guidance says exchangers, meaning persons engaged as a business in exchanging virtual currency for real currency, funds or other virtual currency, generally qualify as money transmitters, a type of MSB that must register with FinCEN whether or not a state licenses it, unless a limitation or exception applies. A business that only invests in crypto for its own account is not acting as a money transmitter, according to a 2014 FinCEN ruling. Whether a particular business is covered depends on its facts.

Does the GENIUS Act mean stablecoin issuers no longer register as MSBs?

No, not under current rules. FinCEN's April 2026 proposed rule, issued jointly with the Treasury's Office of Foreign Assets Control, says stablecoin issuers currently are generally money transmitters, a type of MSB. It proposes to carve permitted payment stablecoin issuers, and only them, out of the MSB definition, and to give them their own AML/CFT program rules, effective 12 months after a final rule. Issuers of tokens that are not payment stablecoins would remain under the MSB framework. As of October 21, 2026, the carve-out was not in the rule text: the eCFR's version history, up to date as of that day, showed no amendment to 31 CFR 1010.100, which holds FinCEN's MSB definition, after January 2, 2026. Check whether a final rule has issued since then.

When does the GENIUS Act take effect, and what changes then?

The Act takes effect on the earlier of 18 months after its July 18, 2025 enactment or 120 days after the primary federal payment stablecoin regulators issue any final regulations, and the OCC has said that date is January 18, 2027. From then, generally only a permitted payment stablecoin issuer may issue a payment stablecoin in the United States, subject to the Act's limited safe harbors and its exception for qualifying foreign issuers. Also from then, a digital asset service provider may not offer a foreign issuer's payment stablecoin in the US unless the issuer can, and will, comply with lawful orders and any reciprocal arrangement, meaning an agreement Treasury may make under section 18 with a jurisdiction whose stablecoin rules are comparable. A broader ban on providers offering or selling payment stablecoins not issued by a permitted issuer to people in the US starts July 18, 2028, three years after enactment, with limited exceptions.

General information, not legal advice. Checked against the cited primary sources in October 2026.