US President Donald Trump has long boasted of being a billionaire – even as journalists, accountants and the New York Attorney-General have cast doubt on just how many billions he is worth.

Mr Trump’s precise net worth is unknowable, partly because the Trump family business is a privately held company that discloses little about its financials. The President also derives some of his wealth from real estate, the value of which can be difficult to estimate. And some of his

assets are shared with family members or business partners,

Still, some of Mr Trump’s financial holdings – for example, those in the stock market and the cryptocurrency industry – are publicly known. And the annual financial disclosure that Mr Trump must file as President offers a snapshot of the murkier elements of his business. It also lists his outstanding debts, including from a few recent legal judgments against him.

Together, that information shows that Mr Trump’s net worth has soared in the early months of his second term, mostly thanks to his crypto investments, suggesting that he might now be worth US$10 billion (S$12.7 billion) or more. Yet a vast majority of that sum is not liquid. He would have to unload investments and sell his stakes in various ventures to realize much of that wealth.

Here is a breakdown of what we know – and don’t know – about the President’s net worth.

Crypto is a relatively new area for the Trump family. But in just a couple of years, Trump has accumulated a sprawling array of crypto investments that touch virtually every part of the industry.

A massive portion of Mr Trump’s wealth is only six months old: a so-called meme coin, $TRUMP, that he unveiled just days before his inauguration in January. (A meme coin is a type of digital currency tied to an online joke or mascot, a...