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Bitcoin introduced the world of cryptocurrency and coined the idea of crypto trading platforms. Since the inception of crypto exchanges, it has been a target for cybercriminals. Bitfinex and Bitgo wallet Multisig had a vulnerability which hackers exploited to siphon 120,000 BTC, worth $72 million then. Mt Gox was one of the earliest crypto exchange to go bankrupt when attackers hijacked over $450 million worth of BTC. Researchers have now started discovering more and more flaws with the system, including ‘bugs in the smart contract’