1409
They made it impossible for staff to see any of the company data and demanded £ 1,000 in online currency bitcoins to put matters right .
 online currency bitcoins: payment method; They: attacker; staff: victim; £ 1,000: price
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 online currency bitcoins: payment method; They: attacker; staff: victim; £ 1,000: price