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Howthef**kisBitcoin
working?
HTGrenoble November 2015 - @sabativi
WhyBitcoin?
HTGrenoble November 2015 - @sabativi
Oninternet,alltrades
aredonewithfinancial
institutions
HTGrenoble November 2015 - @sabativi
Wehavetotrustthem.
HTGrenoble November 2015 - @sabativi
Exchangemoneywithout
theneedofacentral
trustedparty
HTGrenoble November 2015 - @sabativi
Howitworks?
HTGrenoble November 2015 - @sabativi
Decentralizedledger.
HTGrenoble November 2015 - @sabativi
Howtoreachaconcensus
onapeertopeerNetwork?
HTGrenoble November 2015 - @sabativi
Problems
· Identification ?
· How to avoid thief ?
· Enough money ?
· How to avoid double spending ?
HTGrenoble November 2015 - @sabativi
Bitcoinwallet
HTGrenoble November 2015 - @sabativi
Everytransactionis
signedwithaprivatekey
andintegrityischecked1
1
same data structures as Git
HTGrenoble November 2015 - @sabativi
Transactionshaveinputsthatreference
previousoutputstransactions.
HTGrenoble November 2015 - @sabativi
Howtoavoiddouble
spending?
HTGrenoble November 2015 - @sabativi
Miners· Decentralized validation.
· Incentive.
HTGrenoble November 2015 - @sabativi
SHA256(transaction)
=
000...00xxxx
HTGrenoble November 2015 - @sabativi
Blockchain
HTGrenoble November 2015 - @sabativi
WehavereplaceTrustin
FinancebytrustinMath.
HTGrenoble November 2015 - @sabativi
InterestedinBitcoin?
Meetup Grenoble
HTGrenoble November 2015 - @sabativi
That'sallfolks.
Q/A?
HTGrenoble November 2015 - @sabativi
Ihaveconstructedthispresentationbasedon:
· Bitcoin under the hood
· Mastering Bitcoin
· Original paper
· Coursera
HTGrenoble November 2015 - @sabativi

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Bitcoin human talks grenoble November 2015