Is Peer-to-Peer (P2P) Crypto Trading Legal in the UK? (2026)

Buying or selling crypto peer-to-peer as an individual isn't illegal in the UK — but running a P2P crypto trading business without FCA registration is, and in 2026 the FCA carried out its first crackdown, raiding eight premises and issuing cease-and-desist notices. So the answer depends entirely on which side of the line you're on: a private person swapping crypto is in very different territory from someone effectively operating an unregistered exchange. Even for ordinary users, though, P2P carries real fraud and money-laundering risks that make it far riskier than a regulated exchange.

The confusion here is understandable, because "P2P" covers everything from a one-off private sale to a full underground exchange. The law treats those very differently.

Is P2P crypto trading legal for individuals?

Trading crypto peer-to-peer as a private individual is not in itself illegal — the problem is when it becomes an unregistered business. UK law doesn't ban you from selling your own Bitcoin to another person. What it does require is that anyone carrying on a cryptoasset business — exchanging crypto as a commercial activity — must register with the FCA under the Money Laundering Regulations.

So the dividing line is roughly: a private individual occasionally buying or selling their own crypto is generally fine, while someone regularly facilitating trades for others, taking a margin, and operating like an exchange is carrying on a regulated business and must be registered. Doing that without registration is illegal, as our is crypto legal in the UK guide explains.

What did the FCA crack down on?

In April 2026 the FCA led its first coordinated action against illegal peer-to-peer crypto trading, raiding eight premises and issuing cease-and-desist letters. Working with HMRC and a regional organised crime unit, the FCA targeted operations suspected of running P2P crypto trading as unregistered businesses — effectively informal exchanges moving significant volumes without the anti-money-laundering controls the law requires.

This mirrors its parallel crackdown on illegal crypto ATMs, where none are registered and all are therefore illegal. The message from the regulator is consistent: converting crypto and cash as a business without registration is a crime, and enforcement is stepping up ahead of the full regulatory regime arriving by October 2027. For a private user, the takeaway is that the "informal" P2P operator you might buy from could be operating illegally — and could disappear.

Is P2P crypto trading safe for ordinary users?

Legally possible, but far riskier than a regulated exchange — fraud, no recourse, and money-laundering exposure are the big dangers. Even where a private P2P trade is lawful, it strips away the protections a regulated exchange gives you. There's no platform to reverse a scam, no identity assurance about who you're dealing with, and a genuine risk of unknowingly receiving criminal proceeds — which can land you in a money-laundering investigation.

Common P2P dangers include fake payment confirmations, chargeback fraud (where the buyer reverses a bank payment after receiving crypto), and being paid with "dirty" money that later gets frozen. For the vast majority of people, an FCA-registered exchange is safer, cheaper in hidden risk, and simpler — see our best UK exchanges guide. And whichever route you use, every disposal is still a taxable event, as our do you pay tax on crypto guide explains.

Frequently asked questions

Is peer-to-peer crypto trading illegal in the UK? Not for a private individual selling their own crypto occasionally. It becomes illegal when someone runs P2P trading as an unregistered business — effectively operating an exchange without FCA registration, which breaches the Money Laundering Regulations. The FCA has begun raiding such operations.

Did the FCA crack down on P2P trading? Yes. In April 2026 the FCA led its first coordinated action against illegal P2P crypto trading, raiding eight premises and issuing cease-and-desist notices, working with HMRC and police. It targeted operations running as unregistered crypto businesses.

Can I legally sell my own Bitcoin to a friend? Generally, a private individual selling their own crypto is not carrying on a regulated business, so it isn't illegal in itself. But you must still declare any gain for tax, and repeatedly facilitating trades for others for profit can cross into needing FCA registration.

Is P2P crypto trading safe? It's much riskier than a regulated exchange. There's no recourse if you're scammed, no assurance about who you're trading with, and a risk of receiving criminal proceeds that get frozen. Fake payments and chargeback fraud are common. Most people are safer using an FCA-registered exchange.

Do I pay tax on P2P crypto trades? Yes. Selling or swapping crypto peer-to-peer is a disposal for capital gains tax, the same as on any platform. Gains above the £3,000 annual allowance may be taxable, and you must keep records. Trading via P2P doesn't avoid UK tax.

The practical next step

If you're a private individual, an occasional P2P sale of your own crypto isn't illegal — but weigh the fraud and money-laundering risks honestly, because a regulated exchange protects you far better. If you're facilitating trades for others as a business, you likely need FCA registration; operating without it is exactly what the FCA is now raiding. This isn't legal advice. For the safer route, read our best UK exchanges guide.