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The Story of Villagers, Marbles and
Oh, A Blockchain!
Supriya Srivatsa
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No Record of Truth
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Database
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Single Point of Failure
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Distributed Database
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Centralization
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Decentralization
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Blockchain
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Blockchain
• Decentralized
• Immutable
• Transparent
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Double Spending
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“Blockchain is to Bitcoin, what the Internet is to
email. A big electronic system on top of which you
can build applications. Currency is just one.”
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Do you need a
database?
Do many people
write to it?
Do these people
trust each other?
You don’t need a
blockchain!
You don’t need a
blockchain!
You don’t need a
blockchain!
Do they have one person in
common they can trust?
You don’t need a
blockchain!
You need a
blockchain!
No
No
No No
Yes
Yes
Yes Yes
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Thank You
@SupriyaSrivatsa
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