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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: China’s crackdown isn’t enough – only a global effort can stop crypto’s monstrous energy demand

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theconversation.com

Huge concrete data centres, permanently plugged into power plants and telephone exchanges, maintain much of online life. But the infrastructure behind internet-based cryptocurrencies such as bitcoin, dogecoin and ethereum is more like a rusty travelling circus.

And right now, that circus is on the road. Bitcoin relies on a network of millions of specialist machines, known as miners, around 70% of which are currently based in China.

Like a never-ending game of Hungry Hippos, each player hammers their mining machines 24/7 to try and scoop up as many bitcoins as possible.

With only a few hippos, its easy for everyone to be a winner. But with around 2.5 million miners chasing an ever-shrinking number of prizes, the game is becoming increasingly

Read more on theconversation.com
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