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TECHNOLOGY

Wall Street finds blockchain hard to tame after early euphoria

Two years ago Nasdaq Inc and Citigroup Inc announced a new blockchain system they said would make payments of private securities transactions more efficient. Nasdaq Chief Executive Adena Friedman called it "a milestone in the global financial sector."

Senators grill Facebook on its plans for Libra cryptocurrency

Facebook Inc is "delusional" to believe people will trust it with their money, a U.S. senator said on Tuesday as lawmakers from both sides of the aisle grilled the social media company on its plans for a digital currency at a hearing on Tuesday.

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