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Blockchain and Smart ContractsThe technology likely to have the greatest impact on the next few decades has arrived
Fall 2016
Kudrenko Oleg
EXPERIENCE10 years of developing
06 years with e-Commerce
03 years with Blockchain
THE TECHNOLOGICAL REVOLUTION
THE TECHNOLOGICAL REVOLUTION
Mobility
THE TECHNOLOGICAL REVOLUTION
Mobility Social Web
THE TECHNOLOGICAL REVOLUTION
Internet of Things Mobility Social Web
THE TECHNOLOGICAL REVOLUTION
Big DataInternet of Things Mobility Social Web
THE TECHNOLOGICAL REVOLUTION
Big DataInternet of Things Mobility Social Web The Cloud
THE TECHNOLOGICAL REVOLUTION
Big DataInternet of Things Mobility Social Web The Cloud
Machine Learning Drones & Robotics
Big Data
Internet of Things
Mobility
Social Web
The Cloud
Machine Learning Drones & Robotics
BLOCKCHAIN
THE INTERNET OFINFORMATION
Web Sites
THE INTERNET OF INFORMATIONWeb Sites
Photos
PDFsDocs INFORMATION
Web Sites Photos
PDFs
EmailPPT Slides
Docs
THE INTERNET OF INFORMATION
INFORMATION
ASSETS
VotesArt
Energy
Identity
VisualArt
Film
Reputation
Aftestations
Carboncredits
Music
SocialCapital
ASSETS
MoneyIntellectual
property
Contracts
Other
Financial
Assets
Other
Swaps
Futures
Bonds
Stocks
IOUs
Premiums
Receivables
Coupons
Deeds
Loyalty
points
NEEDED:
AN INTERNET OF VALUE
ASSETS
VotesArt
Energy
Identity
VisualArt
Film
Reputation
Aftestations
Carboncredits
Music
SocialCapital
ASSETS
MoneyIntellectual
property
Contracts
Other
Financial
Assets
Other
Swaps
Futures
Bonds
Stocks
IOUs
Premiums
Receivables
Coupons
Deeds
Loyalty
points
NEEDED:
THE MIDDLEMAN
THE MIDDLEMAN
INTERNATIONAL WIRE TRANSFER
Sender Bank
Sender Bank
INTERNATIONAL WIRE TRANSFER
Sender Bank
INTERNATIONAL WIRE TRANSFER
Receiver Bank
CORRESPONDENT
Sender Bank Slow Bank Receiver Bank
CORRESPONDENT
INTERNATIONAL WIRE TRANSFER
USD EUR
CORRESPONDENT
INTERNATIONAL WIRE TRANSFER
Sender Bank Slow Bank Receiver Bank
RETHINKINGTHE FINANCIAL SERVICES INDUSTRY9
10^9
AN INTERNET OF VALUE
ASSETS
VotesArt
Energy
Identity
VisualArt
Film
Reputation
Aftestations
Carboncredits
Music
SocialCapital
ASSETS
MoneyIntellectual
property
Contracts
Other
Financial
Assets
Other
Swaps
Futures
Bonds
Stocks
IOUs
Premiums
Receivables
Coupons
Deeds
Loyalty
points
NEEDED:
WHO IS SATOSHI NAKAMOTO?
WHAT ISMONEY?
WHAT ISMONEY?
accumulation of funds
cost estimate
exchange (absolute liquidity)
VOLATILITY WHAT IS
ПОПУЛЯРНЫЕ ВОПРОСЫО БИТКОИН СРЕДИ ПОЛЬЗОВАТЕЛЕЙ
Что делает Биткоин интересным?
Является ли биткоин средством инвестирования?
Как можно купить биткоины?
Как хранить биткоины?
Насколько безопасно хранить биткоины?
Как потратить биткоины?
ПОПУЛЯРНЫЕ ВОПРОСЫО БИТКОИН СРЕДИ ПОЛЬЗОВАТЕЛЕЙ
Что делает Биткоин интересным?
Является ли биткоин средством инвестирования?
Как можно купить биткоины?
Как хранить биткоины?
Насколько безопасно хранить биткоины?
Как потратить биткоины? FAQ
BITCOIN & BUSINESSWhat merchant need to know to sell
products for Bitcoins
FAQ
BLOCKCHAIN
DECENTRALIZATION
DECENTRALIZATION OF INFORMATION
Encyclopedia Britanica Wikipedia
CentralizedContent
DecentralizedContent
HOW BLOCKCHAIN PROCESSBITCOIN TRANSACTIONS
Wake up, Neo…
User Internet
ASYMERTIC ENCRYPTION
Wake up, Neo…
User InternetPrivate Key Public Key
anyone can encryptall know message owner
ASYMERTIC ENCRYPTION
Wake up, Neo…
User InternetPrivate Key Public Key
anyone can encryptall know message owner
ASYMERTIC ENCRYPTION
Wake up, Neo…
User InternetPrivate Key Public Key
anyone can encryptall know message owner
can encrypt only private key owner
ASYMERTIC ENCRYPTION
Private Key Public Key
anyone can encryptall know message owner
What is ENCRYPTED with one key Key Can be DECRYPTED with the other
What is ENCRYPTED with one key KeyCan be DECRYPTED with the other
KEY PAIR
ASYMERTIC ENCRYPTION
Wake up, Neo…
HASH FUNCTION
Wake up, Neo…
HASH FUNCTION
010101010101010101010101010101001110101010101010100100001011001101101010101010000101011101001001100
Wake up, Neo…
32SNa8gkearJATeyAfTjX7ny
HASH FUNCTION
010101010101010101010101010101001110101010101010100100001011001101101010101010000101011101001001100
32SNa8gkearJATeyAfTjX7ny
Wake up, Neo…
HASH FUNCTION
010101010101010101010101010101001110101010101010100100001011001101101010101010000101011101001001100
32SNa8gkearJATeyAfTjX7ny
Wake up, Neo…
010101010101010101010101010101001110101010101010100100001011001101101010101010000101011101001001100
8d9029DdidbvtgOIDpv9d9d3d
Wake up. Neo…
BUY Bob and Alice both have Bitcoin "wallets" on their computers. Alice want to buy some goods from Bob using Bitcoin.
Wallets are provides access to multiple Bitcoin addresses.
Wallets are provides access to multiple Bitcoin addresses.
Wallets are provides access to multiple Bitcoin addresses.
3 2 S N a 8 g k e
a r J ATe y A f T j
X 7 n y q z tW s
D 4mn b
An address is a string of letters and numbers.
Client sign with Alice private key Bitcoin transaction which tell that Alice send some amount to Bob.
Alice client send signed transaction to miners.
Miners computers bundle the transactions of the past 10 minutes into a new "transaction block."
The mining computers calculate new hash values based on a combination of the previous hash value, the new transaction block and a nonce
NonceHashvalue
NonceHashvalue
Hashvalue
As time goes on, Alice's transfer to Bob gets buried beneath other, more recent transactions. For anyone to modify the details require redo the work of all the subsequent miners. Such a feat is nearly impossible.
IMMUTABLE
SMART CONTRACTS
CONTACTING EXTERNAL SERVICES
CONTACTING EXTERNAL SERVICES
BitcoinBlockchain
EthereumBlockchain Internet
CONTACTING EXTERNAL SERVICES
BitcoinBlockchain
EthereumBlockchain Internet
CONTACTING EXTERNAL SERVICES
BitcoinBlockchain
EthereumBlockchain Internet
BitcoinBlockchain
EthereumBlockchain Internet
CONTACTING EXTERNAL SERVICES
BitcoinBlockchain
EthereumBlockchain Internet
BitcoinBlockchain
EthereumBlockchain Internet
Oraclize
CONTACTING EXTERNAL SERVICES
BitcoinBlockchain
EthereumBlockchain Internet
Oraclize
ENFORCING ON-CHAIN PAYMENTS
FLIGHT DELAY INSURANCE
FLIGHT DELAY INSURANCE
BLOCKCHAIN SMART CONTRACT
Customer Sales
Insurance rate provider
Flights datafeed
Scheduler
Deloitte
Payment processorBank
FLIGHT DELAY INSURANCE
BLOCKCHAIN SMART CONTRACT
Customer Sales
Insurance rate provider
Flights datafeed
Scheduler
Deloitte
Payment processorBank
1.Get Insurance Rate
2. Gets insurance rate
3. Create insurance
4. Verifies insurance rate 5. Verifies flight info
6. Departure info
7. Insured case11. Signed payment approval
14. Insurance case validation
12. Insured case
8. Insured case payment
10. Signed payment approval9. Make payment
13. Flight dataFlight statistic
POINT OF INTEREST
MICROPAYMENTS CONCEPT
THANKS FOR ATTENTION
FB: Oleg Kudrenko
oleg.kudrenko@gmail.com
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