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1.In which country did the disappearance take place?
a) USA
b) Russia
c) Japan
d) South Africa
2.How many bitcoins did the company lose?
a) 850,000
b) 85,000
c) 85 million
d) 8.5 billion
3.Who did the company CEO apologise to?
a) bank managers
b) his family
c) Internet bosses
d) investors
4.Why are investors angry?
a) they thought bitcoins were paper money
b) they lost money
c) they have to pay more money
d) they lost jobs
5.What might bitcoins replace besides coins and credit cards?
a) government bonds
b) banks
c) paper money
d) gold
6.Who was not surprised by the collapse of Mt. Gox?
a) bank managers
b) finance experts
c) workers in the nearby sandwich shop
d) the boss of Mt. Gox
7.What kind of rules are there for Bitcoin?
a) the same as for credit cards
b) each country has different rules
c) very strict rules
d) none
8.What will companies do to their security?
a) ask Apple to design it
b) tighten it
c) nothing
d) make a special security patch
9.What did Barry Silbert say about Bitcoin?
a) it will bounce back
b) no one will trust it again
c) it's a great investment
d) it's easy to hack
10.What has happened to Bitcoin after every problem it has had?
a) it doubled in value
b) more hackers have attacked it
c) it has become more popular
d) it has become stronger
