Sandra Becker
#dataviz empower individuals & connections, democratise complexity, decentralise power, positive futurist #resilience
BITCOIN
Sandra Becker MAD 06/2018
CryptoSandra
SESSION01
CryptoSandra
THE HISTORY OF MONEY
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WHY DO WE HAVE MONEY?
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MEDIUM OF EXCHANGE
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UNIT OF ACCOUNT
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STORE OF VALUE
Timeline
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Timeline
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Timeline
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Timeline
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Timeline
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Timeline
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BITCOIN IS DIGITAL
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BITCOIN IS ENCRYPTED
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BITCOIN IS DECENTRALISED
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BITCOIN
IS THE FIRST DIGITAL & DECENTRALISED MONEY
WHICH SOLVED THE DOUBLE SPEND PROBLEM.
SESSION01
CryptoSandra
SESSION02
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WHY BITCOIN
CryptoSandra
SESSION02
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NO CENTRAL POINT OF CONTROL AND FAILURE
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SESSION03
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KEY & WALLET
SESSION03
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enter your pin
****
SESSION03
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SESSION04
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BLOCKCHAIN
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SESSION05
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MINING & CONSENSUS
SESSION05
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EVERY 10 MIN THE BLOCKCHAIN IS UPDATED
HOW?
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WHY 10 MIN?
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DIFFICULTY
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TEMP EVIDENT DATABASE
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WHY THE PREVIOUS
BLOCK HEADER HASH?
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WHY THE MERKLE ROOT?
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WHY THE DIFFICULTY TARGET?
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DIFFICULTY TARGET
two weeks/
time to mine previous 2016 blocks
SESSION06
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H(prevBlockHash || merkleRoot || nonce) < target
SESSION07
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FUTURE
SESSION07
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SESSION08
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HANDS ON
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WHAT ARE THE DIFFERENCES
TO BITCOIN?
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"Aaron’s unique quality was
that he was marvellously and vigorously different.
There is a scarcity of that.
Perhaps we can be all
a little more
different too."
Edward R. Tufte about Aaron Swartz
CryptoSandra
BITCOIN
By Sandra Becker