The cryptocurrency investor behind a £5 million gift to Reform UK leader Nigel Farage has been identified as one of Britain’s wealthiest billionaires on the annual Sunday Times Rich List. Christopher Harborne , whose political donations to Reform have set new records, made his debut on the list of Britain’s richest people . The entrepreneur and investor secured the sixth position with an estimated wealth of £18.2 billion. While living and working in Thailand for more than two decades, the British billionaire has grown investments and shareholdings in financial companies, including Tether, the crypto platform with an estimated valuation of roughly 200 billion US dollars. He also has major investments in London-listed defence technology firm Qinetiq and payments provider IFX, as well as other aerospace businesses. It is understood that Mr Harborne’s wealth could be larger than that estimated by the Rich List, as some is held overseas or could not be identified by the researchers.…