The content originally appeared on: CNN Four months later, hackers stole at least $150 million from crypto exchange Bitmart. According to one analysis, unidentified hackers used a stolen private key to open two 'hot wallets' and extract funds. Forget cash. Pay me in bitcoin Security incidents like these are not new in the crypto world, but the size of these hacks appears to be growing as cryptocurrency prices have surged over the past year, drawing more mainstream attention. Five of […]