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Cryptocurrency ATM Thefts Show Insecurity of Zero-Confirmation Transactions - Dash News
A cryptocurrency ATM utilizing zero-confirmations was attacked via double-spends over 112 times in Calgary, Toronto, Montreal, Ottawa, Winnipeg, Hamilton and Sherwood Park across Canada. There are currently four suspects that carried out the attacks around September 2018 that resulted in a loss of about $198,000 to the crypto ATM company. The reliance on zero-confirmations is …