Trump’s crypto windfall represents a mixing of personal and government interests at an unprecedented scale.

A lucrative transaction involving the Trump family’s cryptocurrency firm and an agreement giving the Emiratis access to A.I. chips were connected in ways that have not been previously reported.

A new law in Hong Kong could pave the way for digital currencies tied to China.

The president’s son, who helps run the Trump family’s business interests in digital currency, predicted that Bitcoin would someday exceed $1 million.