Nigel Farage is facing calls for a formal regulatory probe into his financial involvement with the cryptocurrency firm Stack BTC following his appearance in the company’s promotional content.

The Liberal Democrats sent a letter to the Financial Conduct Authority (FCA) requesting an investigation into whether the Reform UK leader violated market rules by appearing in marketing videos while holding a financial stake in the business. 

Daisy Cooper, the party’s deputy leader, raised concerns that the move could compromise the integrity of the financial markets. 

“The FCA must investigate whether Farage’s plans to cash in on Crypto could potentially amount to market abuse and a conflict of interest,” she wrote.

Stack BTC, which is chaired by former Chancellor Kwasi Kwarteng, recently announced the purchase of 37 Bitcoin for approximately $2.7 million as part of a strategy to build its corporate treasury. 

In a video released to coincide with the disclosure, Farage appeared on behalf of the firm to argue that a Bitcoin treasury company is essentially required to hold the digital asset. 

This acquisition brings the company’s total holdings to 68 Bitcoin, bought at an average price of $72,400 per coin.

Growing links between Reform UK and crypto

Records indicate that Farage has significantly increased his personal stake in the sector, having disclosed a $286,000 equity investment in Stack BTC this March. This gave him a 6.31% share in the company through his media vehicle, Thorn In The Side. 

Cooper suggested that the intersection of Farage’s political platform and his private investments needs to be looked at more closely. 

“Taken together, these facts beg the question whether Mr Farage is promoting cryptocurrencies through his political platform in order to inflate crypto values for his own financial benefit, as well as that of his party and his inner circle of donors,” she wrote.

The controversy unfolds as the UK government moves to tighten the rules surrounding digital assets and political influence. 

Last month, the Rycroft Review recommended a moratorium on cryptocurrency donations to political parties, citing fears that such funds could be used for foreign interference in British elections. 

Prime Minister Keir Starmer has since moved forward with this proposal, implementing a temporary ban while the government develops more robust safeguards.

This regulatory pressure comes at a time when Reform UK is already under the spotlight for its funding, having received a record £9 million donation from early crypto investor Christopher Harborne. 

While Farage continues to push for crypto-friendly policies, members of parliament are increasingly advocating for a permanent ban on digital asset donations to ensure that financial markets are not used as a “personal piggy bank” for political figures.