SXSW Blockchains - Bitcoin and Ethereum

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Transcript of SXSW Blockchains - Bitcoin and Ethereum

BLOCKCHAIN CHALLENGE

DEFINITIONEXAMPLES

BITCOINETHEREUM

PRIVATE vs PUBLICREGULATIONS

HANDS ONQ&A

TRY DEFINING THE INTERNET

DEFINITION

DECENTRALIZED LEDGER

DEFINITION

DECENTRALIZED LEDGER

DEFINITION

GLOBAL UNFORGEABLE COMPUTER

DEFINITION

GLOBAL UNFORGEABLE COMPUTER

Process codeStore data

Cryptographicallysecured

Linked to the internet

DEFINITION

ENABLES TRUE P2P

DEFINITION

DEFINITION(S)EXAMPLES

BITCOINETHEREUM

PRIVATE vs PUBLICREGULATIONS

HANDS ONQ&A

EXAMPLES

ENERGY

EXAMPLES

INTERNET OF THINGS

EXAMPLES

GOVERNANCE

EXAMPLES

LOTTERY

EXAMPLES

FINANCIAL

DEFINITION(S)EXAMPLES

BITCOINETHEREUM

PRIVATE vs PUBLICREGULATIONS

HANDS ONQ&A

BITCOIN/HISTORY

SATOSHI NAKAMOTO

WHITEPAPER 2009

10,000 BTC PIZZA

2008 CRISIS

WIKILEAKS

MT.GOXSILK ROAD

NEWSWEEK

$410

21M

$6.34B

NASDAQ

CRYPTOCURRENCY

BITCOIN

BITCOIN/UNDER THE HOOD

IDENTIFICATION+

LEDGER+

TX CONSENSUS=

LEGACY BANKING

BITCOIN/UNDER THE HOOD

IDENTIFICATION+

LEDGER+

TX CONSENSUS=

LEGACY BANKING

PUBLIC KEY CRYPTOGRAPHY+

DISTRIBUTED LEDGER+

DISTRIBUTED CONSENSUS=

MAGIC INTERNET MONEY OF THE FUTURE

BITCOIN/UNDER THE HOOD

PUBLIC KEY CRYPTOGRAPHY+

DISTRIBUTED LEDGER+

DISTRIBUTED CONSENSUS=

MAGIC INTERNET MONEY OF THE FUTURE

BITCOIN/UNDER THE HOOD

PUBLIC KEY CRYPTOGRAPHY+DISTRIBUTED LEDGER+DISTRIBUTED CONSENSUS

18n9NVdLuMBSA4XaaeXM9YZfwSjwKWKxcp

KzmuYVS7kNJata87wAgTuRugz5vCzpmjsSy5FEaKXXyBrMCKWuU5

Public address

Private key

BITCOIN/UNDER THE HOOD

PUBLIC KEY CRYPTOGRAPHY+DISTRIBUTED LEDGER+DISTRIBUTED CONSENSUS

BITCOIN/UNDER THE HOOD

PUBLIC KEY CRYPTOGRAPHY+DISTRIBUTED LEDGER+DISTRIBUTED CONSENSUS

25BTC REWARDTX

TXTX

TX

BLOCK 1001

BLOCK 1002

BLOCK 1003

TX

TXTX

TX

TX

TX

25BTC REWARD

25BTC REWARD

= MINING

BITCOIN/UNDER THE HOOD

PUBLIC KEY CRYPTOGRAPHY+DISTRIBUTED LEDGER+DISTRIBUTED CONSENSUS

SHA256OF

HASH PREVIOUS BLOCK+

CURRENT TRANSACTIONS+

X=

0000000ABCDEFG...

= PROOF OF WORK

DEFINITION(S)EXAMPLES

BITCOINETHEREUM

PRIVATE vs PUBLICREGULATIONS

HANDS ONQ&A

ETHEREUM/HISTORY

MASTERCOIN

WHITEPAPER 2013

18M CROWDSALE

VITALIK BUTERIN

BETA RELEASE JULY 2015

STABLE RELEASE PI DAY

2016

ETHEREUM/HISTORY

MASTERCOIN

WHITEPAPER 2013

18M CROWDSALE

VITALIK BUTERIN

BETA RELEASE JULY 2015

STABLE RELEASE PI DAY

2016

ETHEREUM/HISTORY

FEB 2016

AUG 2014

0.30

14.0

Wait for it....

ETHEREUM/UNDER THE HOOD

BLOCKCHAIN+

STEROIDS=

MAGIC INTERNET MONEY OF THE FUTURE

ETHEREUM/UNDER THE HOOD

BLOCKCHAIN+

STEROIDS=

MAGIC INTERNET MONEY OF THE FUTURE

PROGRAMMING LANGUAGE

ETHEREUM/UNDER THE HOOD

Code xCode yCode z

Code xCode yCode z

Code xCode yCode z

Code xCode yCode z

Lottery example

Address = qahDsywu739DHHhe9dhdddkIIoeP

If day == Saturday;Time == 6pm;

Run random function (participants);

Pay out (winner);

DEFINITION(S)EXAMPLES

BITCOINETHEREUM

PRIVATE vs PUBLICREGULATIONS

HANDS ONQ&A

PRIVATE vs PUBLIC

100% PRIVATE 100% PUBLIC

Auditable

Irreversible

Censorship-resistant

Consensus though mining

Not auditable

Reversible

Permissioned

Consensus through trusted party

Adjust your blockchain

Eg: MS Excel Eg: Bitcoin, Ethereum

DEFINITION(S)EXAMPLES

BITCOINETHEREUM

PRIVATE vs PUBLICREGULATIONS

HANDS ONQ&A

REGULATIONS

USCOMMODITY

UKUNREGULATED

AUSTRALIAUNREGULATED

GERMANYPRIVATE MONEY

CHINAOK FOR PRIVATE USE

RUSSIAILLEGAL

DEFINITION(S)EXAMPLES

BITCOINETHEREUM

PRIVATE vs PUBLICREGULATIONS

HANDS ONQ&A

HANDS ON

WALLETS, EXCHANGES & OTHER COOL STUFF

HANDS ON

Coindesk - http://www.coindesk.comCoin Telegraph - http://cointelegraph.com/

ZeroBlock - https://zeroblock.com/Reddit - https://www.reddit.com/r/Bitcoin/

Bitcoin Magazine - https://bitcoinmagazine.com/Blockchain.info - https://blockchain.info/

Coinbase - https://coinbase.comCoinAcademy - http://coinacademy.co/

CoinMarketCap - http://coinmarketcap.com/WeUseCoins - https://www.weusecoins.com/Bitfilm - http://www.bitfilm.com/bitfilm-festival/

Bitcoin Obituaries - https://99bitcoins.com/bitcoinobituariesLedger - www.ledgerwallet.com

Kraken - www.kraken.comChngetip - www.changetip.com

Q&A

MINING GAME

Q&A

WHAT ARE THE FIRST 5 CHARS OF THE SHA256 HASH OF

“sxsw”(lower case)

Q&A

87f0c

DEFINITION(S)EXAMPLES

BITCOINETHEREUM

PRIVATE vs PUBLICREGULATIONS

HANDS ONQ&A

Q&A

ASK AWAY.

THANK YOU.Download presentation at http://www.slideshare.net/c_rindi/

@CaterinaRindiRindiConsulting.com

Jef@Cavens.ioParner at oneup.company