BITCOIN

Sandra Becker MAD 06/2018

CryptoSandra

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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.

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WHY BITCOIN

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NO CENTRAL POINT OF CONTROL AND FAILURE

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KEY & WALLET

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enter your pin

****

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BLOCKCHAIN

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MINING & CONSENSUS

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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

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H(prevBlockHash || merkleRoot || nonce) < target

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FUTURE

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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

BITCOIN

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