Although the sun may be setting on the era of free trade, crypto supporters say a new dawn is rising for digital currencies thanks to US President Donald Trump.

Meanwhile, English football legend David Beckham made his debut at the World Economic Forum, vowing to empower girls as part of his mission to help children around the world.

Those were just some of the goings-on in Davos, where the world's richest and most powerful huddle together for public talks.

Here's what happened at the forum on Tuesday:

Beckham sprinkled some celebrity stardust at the forum but he had a serious message to the powerful gathered: girls are being left behind.

"That's what I'm focusing on this year, teenage girls, empowering them to live to their full potential. They should have the right and the same access as the boys do," Beckham said at the forum.

"When you empower a young girl, it uplifts them. It uplifts their........

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