President Donald Trump signed executive orders on artificial intelligence and cryptocurrencies on Thursday.Anna Moneymaker via Getty ImagesPresident Donald Trump signed an executive order on AI development on Thursday.Trump's AI and crypto czar, David Sacks, said the US wants to become the world's AI capital.Earlier this week, Trump announced Stargate, a $500 billion AI infrastructure investment project.President Donald Trump wants his administration to have an action plan for artificial intelligence ready within 180 days.On Thursday, the president signed an executive order calling for the US "to sustain and enhance America's global AI dominance." Since returning to the White House on Monday, Trump has signed multiple executive orders on areas including energy, trade, and immigration."We're basically announcing the administration's policy to make America the world capital in artificial intelligence and to dominate and to lead the world in AI," Trump's AI and cryptocurrency czar, David Sacks, told reporters in the Oval Office on Thursday.Trump appointed Sacks, a venture capitalist and former PayPal COO, to the newly created position last month.