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Donald John Trump (born June 14, 1946) is the 45th and current president of the United States. Before entering politics, he was a businessman and television personality. Trump was born and raised in Queens, a borough of New York City, and received a bachelor's degree in economics from the Wharton School. He took charge of his family's real-estate business in 1971, renamed it The Trump Organization, and expanded its operations from Queens and Brooklyn into Manhattan. The company built or renovated skyscrapers, hotels, casinos, and golf courses. Trump later started various side ventures, mostly by licensing his name. He bought the Miss Universe brand of beauty pageants in 1996, and sold it in 2015. He produced and hosted The Apprentice, a reality television series, from 2003 to 2015. As of 2020, Forbes estimated his net worth to be $2.1 billion.[
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Bitcoin alternatives could provide a green solution to energy-guzzling cryptocurrencies

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theconversation.com

The cryptocurrency bitcoin now uses up more electricity a year than the whole of Argentina, according to recent estimates from the University of Cambridge.

That’s because the creation of a bitcoin, in a process called mining, is achieved by powerful computers that work night and day to decode and solve complex mathematical problems.

The energy these computers consume is unusually high. Police in the UK recently raided what they believed to be an extensive indoor marijuana-growing operation, only to discover that the huge electricity usage that had aroused their suspicions was actually coming from a bitcoin-mining setup.

Read more on theconversation.com
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