Cryptocurrency billionaire Ben Dellow becomes one of the largest financial owners of the British Reform Party
Billionaire Ben Dellow, co-founder of the cryptocurrency derivatives exchange BitMEX, has become one of the party's largest financial supporters after donating millions of pounds to the British political party, the Reform Party.
Dellow co-founded BitMEX in 2014 with Arthur Hayes and Samuel Reid. In February 2022, he pleaded guilty in the United States to violating the Bank Secrecy Act for deliberately failing to establish and maintain the exchange's adequate anti-money laundering program.
He agreed to pay a $10 million criminal fine and was subsequently sentenced to 30 months probation.
According to the pardon order, President Donald Trump granted Dellow a comprehensive and unconditional pardon in March 2025, covering his conviction in the U.S. v. Dellow case.
After the pardon, Dellow said the Justice Department had "wrongly targeted BitMEX and its co-founders" and called the pardon a "vindication of our position we have always held."
Since then, his return to the public eye has gone beyond the realm of cryptocurrencies. Dellow is increasingly involved in British politics and has borne most of the Reform Party's private donations during the latest reporting period.
Dellow donated £ 4 million to the Reform Party
According to donation data released by the British Election Commission on September 3, Dellow donated £ 4 million (approximately US$5.3 million) to the Reform Party from April to June.
The donation accounted for about 75% of the £ 5.33 million (US$7.2 million) private donations accepted by the Reform Party during the quarter. This puts the Reform Party ahead of the Labor Party (accepting £ 3.59 million, or US$4.85 million, excluding public funds) and the Conservative Party (accepting £ 2.81 million, or US$3.79 million) in total private donations.
The latest donation is based on Dellow's previous donation. Records show that the Reform Party accepted Dellow's £ 2 million (approximately US$2.7 million) donation on January 14 and again accepted £ 2 million on March 2.
Dellow's political spending comes as the UK tightens regulations on donations from overseas citizens. The new rules set a cap of 100,000 pounds (about $135,000) per year on some overseas donors, increasing the review of large donations used to fund the Reform Party.
Cryptocurrency funds have become an important part of the party's funding base. According to Election Commission records, another major donor to the Reform Party, cryptocurrency investor Christopher Harborne, donated £ 3 million (approximately $4.05 million) to the party in January alone.

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