Introduction to blockchain technology

1. S
Blockchain
By Benjamin Fuentes
The opinions and views expressed at or through this slide are the opinions
of the designated authors and do not reflect the opinions or views of any of
their clients or law firms or the opinions or views of any other individual.

2. What is about ?
It is a SHARED LEDGER (P2P)
S No more intermediaries
S Trust
S Unmodified old data

3. IBM and Linux Foundation
S A common open source project : HYPERLEDGER
S More than 30 members : IBM, Accenture, JP Morgan,
etc…
S https://www.hyperledger.org
S On 15/02/2016, release of experimental service on
Bluemix platform named “Blockchain”

4. Communities - Hyperledger
S Mailing lists:
S http://lists.hyperledger.org/mailman/listinfo/hyperledger-
technical-discuss
S http://lists.hyperledger.org/mailman/listinfo/hyperledger-tsc
S Code : https://github.com/hyperledger
S IBM contact : Arvind Krishna

5. Communities - Bitcoin
First implementation of the blockchain for payments
S Less and less trust from developer side. Who is Satoshi ?
S Volatility on the market
S MtGox shutdown and bankruptcy affair …
S Bad “black market” reputation
S Need “miners”
S Slow encryption/decryption

6. Communities - Ethereum
S Swiss nonprofit organization / foundation
S Decentralised platform for smart contracts
S Still based on “miners”
S More than 20 projects run already on this technology
S Blog : https://blog.ethereum.org/
S Code : https://github.com/ethereum/

7. Industry Business -
Government
S E-Vote
S Notary : Property titles, assets
S State budget ledger : Open data
S Public contracts : Open data

8. Industry Business - Finance
What becomes obsolete :
S Swift network : transactions/payments
S Clearing systems : Clearstream, etc…

9. Industry Business - Transport
S Delivery proofs
S Shipping traces

10. Industry Business - Art
S Keep traces of music album sales, remunerate artists
S Certificate of ownership for Art collection

11. Bluemix and Blockchain ?
S One technology available as a service : Distributed
database
S Many custom products by industries to be imagined
S Bluemix as a persistent and reliable node in the network
of Trust
S Bluemix as a accelerator platform to speed the network

12. Use cases
S Mobile Wallet as a service
S New IoT Platform for high secured messaging (what about
MQTT?)
S Secure social network : https://w3-
connections.ibm.com/blogs/BlueHack/entry/friendface_a_secur
e_social_network?lang=en_us
S Hackathons can bring new inspiration :
http://blog.ibmjstart.net/2015/11/20/ibm-emerging-block-
hackathon/