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While some hackers instruct victims to pay through Bitcoin , MoneyPak or other online methods , attackers could also demand credit card data , adding another level of financial loss altogether .
 ( ransom: pay,  victims: victim, Bitcoin: payment method, MoneyPak: payment method, other online methods: payment method) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( ransom: pay,  victims: victim, Bitcoin: payment method, MoneyPak: payment method, other online methods: payment method) 