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Blockchain 101Mike McRoberts
Principal – McS, LLC
July 24, 2018
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“…the Blockchain, can change…well everything.”Goldman Sachs Emerging Theme Radar report December 2015
Internet of Information—Thin Protocols, Centralized Applications
Internet of Value—Fat Protocols, Decentralized Applications
“Blockchains can help us advance from a ‘don’t be evil’
world to a ‘can’t be evil’ world.”Muneeb Ali, Blockstack Co-Founder
Depending on who you ask…“Blockchain is as dramatic as the creation of the internet itself”
Or
“This new way of storing and accessing information is as important as the concept of the client/server database model was thirty years ago”
Bitcoin paved the way
4
But
New models are emerging that
challenge the original
functionality of BC algorithm
Blockchain – the first digital medium for
value just as the internet was the first for
information
Bitcoin = Cryptocurrency Asset
Blockchain = Distributed Database
Ledger that atomizes and spreads data
over thousands of nodes all locked
together with clever cryptography
Whitepaper - Bitcoin: A Peer-to-Peer Electronic Cash System By Satoshi Nakamoto
The network timestamps
transactions by hashing them
into an ongoing chain of hash-
based proof-of-work, forming a
record that cannot be changed
without redoing the proof-of-work.
www.bitcoin.org
A Blockchain is a continuously-
growing list of ordered records called
blocks.
Each block contains a timestamp
and a link to a previous block.
By design Blockchains are inherently
resistant to modification of the data
— once recorded, the data in a block
cannot be altered retroactively.
- What is it?
Ethereum Whitepaper – A Next Generation Smart Contract & Decentralized Application PlatformBy Vitalik Buterin
• Proof of work innovation
• Self-executing Smart contracts
• Turing-complete programming language
Basic Blockchain Elements
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How Smart Contracts Work
Source: DHL
Continued Evolution of BlockchainMajor Blockchain innovations since Satoshi Nakamoto first published white paper in 2008:
Bitcoin Digital cryptocurrency
BlockchainSeparation of underlying bitcoin technology from the currency and
used for other inter-organizational cooperation
Smart ContractEmbodied in a second-generation Blockchain system called
Ethereum, which built little computer programs directly into the
block
Proof of StakeAt the cutting edge of Blockchain thinking, “proof of stake” is
generally replacing “proof of work”
ScalingProcess for determining how many computers are necessary to
validate each transaction and dividing up the work efficiently
Note—The transition from Proof of Work to Proof of Stake and other Consensus
Algorithms will reduce Electrical Energy Use and supports greater use of Blockchain
based Solutions.
Three Levels of Blockchain1 – Storing Digital Records
Blockchain allows unprecedented control of information through secure, auditable and immutable records of not only transactions
but digital representations of physical assets
2 – Exchanging Digital Assets
Users can issue new assets and transfer ownership in real time without banks, stock exchanges or payment processors
3 – Executing Smart Contracts
Self-governing contracts simplify and automate lengthy and inefficient business processes
Source: Deloitte University Press
The Internet – Intranet Comparison
Source: Coindesk
Logistics “Frictions” Blockchain May Address
• Lack of visibility into supply chain
• Long processing times
• Data discontinuities and antiquated IT
• Regulations/certification requirements
• Proliferations of players and handoffs
• Extensive manual inputs
• Significant paper-based processes
Blockchain Clinic Applications in Logistics, pwc, June 2017
Case Study – Food Blockchain Network
Case Study-Blockchain Rewards for Healthy Living
EV Charging & Sharing
Potential Impact of Blockchain on Electric Utilities
Blockchain Technology Trends in 2018
Source: “Blockchain in 2018: Beyond the Hype” – Professor Ahmed Banafa – San Jose State University
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