974
Although not logistically feasible , this particular software bug could have been remotely exploited by an attacker to launch a 51 % attack in which one entity controls the majority of the hashing ( or computing ) power of a cryptocurrency network .
 software bug: vulnerability; cryptocurrency network: vulnerable system
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 software bug: vulnerability; cryptocurrency network: vulnerable system