The UK and US reach the same core conclusion by different routes: a security token is a security, regulated under existing law, not a special crypto regime. The US uses SEC exemptions like Reg D; the UK uses its "specified investment" perimeter plus a strict Financial Promotion regime and new sandboxes. For most issuers the practical difference is in marketing rules, offer mechanics, and which investor base you can reach - not in the fundamental treatment.

How each classifies a token

Both apply substance over form. In the US, the Howey test makes most RWAs securities under the SEC. In the UK, a token with the features of a share, bond, or fund unit is a "specified investment," bringing it inside the FCA's perimeter.

The result is the same: your token is a regulated security. Neither jurisdiction lets you escape securities law by calling it a token, so classification is the shared starting point.

Offering and exemptions

The US system is exemption-driven: Reg D (private), Reg S (offshore), Reg A+ (public mini-IPO), Reg CF. The UK relies on prospectus rules (being reformed) with exemptions for professional or high-net-worth investors and smaller offers.

Both let you raise privately without full public registration, but the mechanics differ. US issuers pick a named exemption; UK issuers work within the prospectus-and-promotion framework. Counsel on each side maps the equivalent path.

Marketing rules diverge most

Here the regimes feel most different. The UK's Financial Promotion regime is strict and specific: consumer communications need risk warnings, cooling-off periods, and authorised approval. The US controls solicitation through the exemption - 506(c) permits public marketing with verification, 506(b) forbids it.

So "can I advertise?" has a different shape in each. In the US it depends on your exemption; in the UK it depends on the promotion rules regardless of the offer route.

Which is better for you

For reaching US investors, the US framework and its exemptions are the path; for UK investors, the FCA route. Neither is simply "easier" - each is well-developed and each is strict. Most serious issuers end up addressing both if they want investors on both sides.

Read the UK regulation pillar and the US map together, and decide based on where your investors are, with counsel in each market.

The marketing contrast, concretely

Because marketing is where these regimes diverge most, it is worth the specifics. The UK's financial-promotion rules for cryptoassets (Policy Statement PS23/6, in force 8 October 2023) require a risk warning, a ban on incentives, a 24-hour cooling-off for first-time investors, and investor categorisation - restricted (no more than 10% of net assets in high-risk investments), high-net-worth (income over £100,000 or net assets over £250,000), or certified sophisticated - plus an appropriateness test. Crucially, those rules bite regardless of how you structured the offer.

The US ties marketing to the exemption instead. Rule 506(c) lets you advertise publicly but forces you to verify every investor is accredited (income over $200,000, or net worth over $1 million excluding home); 506(b) allows no general solicitation at all but lets you self-certify. So in the US the question "can I advertise?" is answered by your exemption; in the UK it is answered by the promotion regime whatever the exemption.

One more concrete divergence: on-chain secondary trading runs through an SEC-registered ATS in the US and the Bank of England and FCA Digital Securities Sandbox (live since September 2024, running about five years) in the UK. Same destination, different plumbing - which is why cross-border issuers budget for two legal workstreams, not one.

Where to go next

• Next: US vs EU RWA regulation compared.
• Go deeper: the UK regulation pillar.
• Glossary: security token.

Sources: UK FCA (fca.org.uk); U.S. SEC (sec.gov), as of 2026.