News in brief: Bitcoin price bubbles up; Uber uses AI to boost its take; WannaCry ‘hero’ censures tabloids

Your daily round-up of some of the other stories in the news Bitcoin bubbles to unprecedented highs Bitcoin, the most widely used cryptocurrency, has been hitting unprecedented highs, with a single coin now worth more than $2,189 on Monday evening (BST). Bitcoin hit the headlines just over a week ago as the WannaCry malware that crippled PCs around the world demanded its ransom in the cryptocurrency – although, according to a Twitter account that’s been monitoring payments to the wallets linked to the ransomware, only a fraction of the victims have actually paid the ransom.

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