The issue focused on allegations that hackers stole bitcoins worth millions from bitcoin exchanges last summer and laundered them through cybercriminal gangs in Eastern Europe. Bitcoin miners often bought bitcoins using computers running specialized hardware known as ASIC machines. Those computers rapidly compute hashes — mathematical calculations used to verify transactions — which confirm each transaction by broadcasting it across the internet. If bitcoins were transferred quickly enough, hackers could steal bitcoins worth tens of millions or hundreds of millions of dollars before hackers realized what had happened and hacked back. The malware malware malware installed