UK's Biggest Bitcoin Seizure: A 128,000-Investor Scheme
The returns were promised, the early payouts were paid and the recruiters were rewarded. The seizure came years later and was described in one headline as record-breaking.
By Siddharth ShankarUpdated October 12, 2026The Metropolitan Police and the Crown Prosecution Service report that Zhimin Qian was sentenced at Southwark Crown Court on November 11, 2025 to 11 years and 8 months after pleading guilty to two Proceeds of Crime Act offences. More than 128,000 investors were drawn in, and the Met says it seized 61,000 bitcoin in an inquiry that began in 2018. See how scammers reach people.
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Some frauds are so large that the seizure of the proceeds is the headline. In this case, a record-breaking amount of cryptocurrency was held in London, and the open question is what happens to it next.
What happened
According to the Met, the CPS and news coverage, Zhimin Qian was sentenced at Southwark Crown Court on November 11, 2025 to 11 years and 8 months. She pleaded guilty on September 29, 2025 to two offences under the Proceeds of Crime Act 2002, acquiring and possessing criminal property. A second defendant, Seng Hok Ling, received 4 years and 11 months.
More than 128,000 investors, many of them elderly, were drawn into the scheme. The Met says it seized 61,000 bitcoin from Qian, which it believes is the largest cryptocurrency seizure in the world (the CPS says over 60,000). Its inquiry began in 2018, and press reports say officers searched a Hampstead home that October and found laptops holding bitcoin. Qian was not arrested until April 2024. The Metropolitan Police called the case one of the largest and most complex economic crime investigations it had ever undertaken, and the inquiry lasted seven years.
How it worked
Qian set up a company in China, Lantian Gerui, between 2014 and 2017. It claimed to develop technology and mine bitcoin. The scheme promised very high returns, with press accounts citing figures of 200 percent or more, and paid early investors small daily payouts. Investors were paid to recruit others, and many took out high-interest loans to invest.
Small early payouts and paid recruitment are two classic hooks. The payouts make the opportunity seem real, and the recruitment turns every investor into a salesperson with a financial reason to persuade friends and family.
What was exposed
This was not a data breach. What investors lost was savings, handed over on the strength of trust, promised returns and referrals. The sources do not describe any personal data issue.
How it ended
The outcome is mixed. A long inquiry ended with a conviction and a sentence, and a large amount of cryptocurrency is in UK control. But the coverage says the seized bitcoin is expected to stay under UK control until further legal processes conclude, and victim compensation is uncertain. Al Jazeera adds that much of the defrauded money was recovered by police in China, but that a sizeable amount was siphoned off.
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A timeline of the case
The sequence is long. The scheme ran from 2014 to 2017, the Metropolitan Police inquiry began in 2018 and lasted seven years, with Qian arrested in April 2024, and sentencing took place in November 2025. A guilty plea on September 29, 2025 came shortly before the hearing.
That timeline is common in large financial crimes. Victims often wait years to learn whether any of the money will come back, and the decisions about the seized assets can depend on separate legal processes after the criminal case ends.
Key facts at a glance
- Sentence: 11 years and 8 months (Qian) and 4 years and 11 months (Ling)
- Sentencing date: November 11, 2025, Southwark Crown Court
- Investors: more than 128,000
- Bitcoin seized: 61,000, according to the Met (inquiry opened in 2018)
- Scheme period: 2014 to 2017
- Promised return: very high; reported figures vary
How to spot the warning signs
1Be cautious when returns are promised
Very high guaranteed returns are a red flag, especially for new technology.
2Question paid recruitment
If you earn a reward for bringing in friends, that is a risk sign in itself.
3Check regulation
Ask whether a firm is authorized by the regulator for the service it offers.
4Do not borrow to invest
Debt multiplies the loss. Our guide to how scammers get your phone number and email explains how pitches find you.
What the coverage does not say
The coverage does not settle how victims will be compensated or how much was recovered in total. For a Canadian crypto exchange failure with a different structure, see QuadrigaCX.
Why this case matters
The scale of the scheme, more than 128,000 investors, is a reminder that investment fraud is not limited to the gullible. It used the same human instincts that make normal investments appealing: a good return, a story about technology and friends who vouch for it.
The seizure also shows how cryptocurrency can be traced and held when a case reaches law enforcement. The unresolved question of who is repaid and how is typical of large frauds, where the legal process after a conviction can be long.
Want to apply this to your own situation? These explain how scammers find your phone number and email, how credential stuffing works and how to prevent identity theft in plain language. You can also try our free digital footprint check.
Sources
- Metropolitan Police: Woman convicted following world's largest seizure (pleas, 61,000 bitcoin, 128,000 victims, 2018 inquiry)
- CPS: Two people imprisoned for key roles in large-scale money laundering case (sentences, over 60,000 bitcoin)
- Express & Star: Chinese fraudster involved in world's largest cryptocurrency seizure jailed (Lantian Gerui, Hampstead search 2018, arrest April 2024)
- Computing: Cryptoqueen jailed for UK bitcoin scam (many elderly investors, 200% promises, compensation uncertain)
- Al Jazeera: UK sentences Chinese scammer after record-breaking bitcoin seizure (money recovered in China; sizeable amount siphoned off)
Frequently asked questions
How long was the sentence?
Qian received 11 years and 8 months and a co-defendant 4 years and 11 months, according to the coverage of the November 11, 2025 hearing.
How much bitcoin was seized?
The Met says it seized 61,000 bitcoin, and the CPS says over 60,000. The inquiry began in 2018, when officers searched a Hampstead home, according to press reports.
How many investors were involved?
More than 128,000, many of them elderly, according to the coverage.
Will victims be compensated?
It was uncertain in the coverage we reviewed. The seized bitcoin is expected to stay under UK control until further legal processes conclude.
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