981
Commenting on the serious nature of these software bugs , Cornell computer science professor Emin Gün Sirer said : “ Copycat currencies are at risk ” - meaning that all bitcoin forks are vulnerable to the attack .
 discover vulnerability: said
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 discover vulnerability: said