15018165
Description
Quiz by Rolf Haudenschild, updated more than 1 year ago
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Created by Rolf Haudenschild
about 6 years ago
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Question 1
Question
When was Bitcoin invented?
Answer
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1998
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2008
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2013
Question 2
Question
What are the features of blockchain
Answer
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Immutable
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Distributed
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High-speed
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User friendly
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