973
Denial - of - Service ( DoS ) , 51 % Attacks The Bitcoin Core client software is used by BTC miners to validate transactions on the cryptocurrency ’s blockchain and the recent vulnerability found in its source code could have been used to intentionally crash bitcoin ’s full - node operators .
 discover vulnerability: found
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: found