John Oliver took aim at Donald Trump and his family’s various crypto schemes on his return to Last Week Tonight, calling it all “corrupt and compromised”.

The host joked that Trump looked as if he was “slowly turning into Mrs Doubtfire” before moving on to the night’s major theme, calling him “the first crypto president”.

Trump had once referred to bitcoin as “a scam”, but has had a “pretty significant change of heart” after seeing an industry “willing to spend a shitload helping him get elected”.

He also saw that it was a fruitful source of money – in his first year back in office, he made more than $2.2bn, most of which came from his family’s crypto dealings of $1.4bn.

It has now become the family’s most…