A British billionaire convicted in the US for failing to implement adequate money-laundering controls on his cryptocurrency business is funding a political base in the heart of Westminster used by “anti-woke” and rightwing activists.

Ben Delo, 42, who was pardoned by Donald Trump last year, has given support in kind to Rupert Lowe, the anti-migration MP challenging Nigel Farage from the right – while also connecting with mainstream figures including the Conservative leader Kemi Badenoch and former cabinet minister Michael Gove.

Delo, an Oxford graduate who moved to Hong Kong in 2012 and appears to still be based there, says he is a champion of “free speech” and has vowed to tackle the “nuisance” of political correctness. He…