Business Impacts of Blockchain Technology

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BLISS Project
BLISS Project
Output O3 Open Education Resource
Output O3 Open Education Resource
Task O3-T1 Training and assessment material
Task O3-T1 Training and assessment material
50
Introduces how the characteristics of blockchain technology can disrupt
and/or innovate existing business models and business processes.
Examines existing blockchain-based use cases in industries such as
finance, public services, provenance, supply chains etc.
U3
Communicating the business merits, challenges
and implications of blockchain technology
Learning unit :
Abstract :
Hours :
Learning outcomes
Policy and regulation
Blockchain and Public Policy, Central Banks &
governmental regulations
Implications of blockchains for governments,
policy makers, law professionals, regulators
and society
Recognise potential regulatory and legal
frameworks for blockchain operation,
including consumer protection, and taxation
Knowledge
Skills
Learning unit
U3
Communicating the business merits, challenges
and implications of blockchain technology
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K5
Learning outcomes
Blockchain as innovator of businesses and
processes
Blockchain business models
Blockchain emerging trends susceptible to
create value for the business
Innovative blockchain solutions and
entrepreneurship
Blockchain transforming business and
professionalism
Provide detailed examples of the blockchain
transforming power in specific contexts
Knowledge
Skills
Learning unit
U3
Communicating the business merits, challenges
and implications of blockchain technology
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K6
Learning outcomes
Blockchain maturity and strategies
Blockchain adoption metrics, challenges and
opportunities
Blockchain business strategies
Project strengths and weaknesses of the
Blockchain technology in a given scenario
Knowledge
Skills
Learning unit
U3
Communicating the business merits, challenges
and implications of blockchain technology
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K7
Learning outcomes
Blockchain as business model disruption
Implications of blockchains for corporates,
such as disruption by open markets, winner-
takes-all, multi-sided market platforms, the
role of trust in blockchain markets
How blockchain technology is disrupting
existing business models and creating new
ones
Describe blockchain business processes and
business logics
Knowledge
Skills
Learning unit
U3
Communicating the business merits, challenges
and implications of blockchain technology
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K8
Learning outcomes
Existing applications
Main disruptive features of different practical
blockchain application scenarios, such as in
finance, assurance, accounting, business
operations, public administration and
government services
Outline latest trends in the blockchain
technology, and the directions of growth
across impacted industries
Knowledge
Skills
Learning unit
U3
Communicating the business merits, challenges
and implications of blockchain technology
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K9
 
 
U3 : Communicating the business
merits, challenges and implications
of blockchain technology
Frédérique Biennier
INSA of Lyon, France
 
 
Table of Contents
Part 1: Promoting Blockchain usage
From traditional economy to digital economy
Blockchain context
New business models or new technologies for existing
business models?
Exercises
Part 2: Value models
Traditional value models
Characterizing a blockchain value system
Building the Blockchain value model
Integration of blockchain value models in digital economy
collaborative business
Exercises
 
 
Table of Contents: PART 1
From traditional economy to digital economy
Blockchain context
New business models or new technologies for existing
business models?
Exercises
According to you, how can you
qualify the digital economy?
Are there any models qualifying the business
environment?
What are the main collaborative ecosystems
models?
Which requirements can be fulfilled using a
blockchain?
According to you, how can you
qualify the digital economy?
In this part you will
Learn basic elements on digital economy and collaborative ecosystems
Learn how IT and blockchain technologies have evolved to fit the economic
context
Get information on collaborative ecosystem requirements and how blockchain
technology can be an answer
 
 
Table of Contents: PART 1
From traditional economy to digital economy
Business model
IT evolution
Collaborative ecosystems
Requirements for blockchain support
Blockchain context
New business models or new technologies for existing
business models?
Exercises
Business model: Value
Characterizing value:
Aggregating one or more impacts
Financial, social impact, environmental impact, cultural impact
Global organization
Internal
o
How to produce the product / service
o
Identification of the main costs related to investments as well as functioning costs
Relationships with partners / competitors
o
How value is shared
o
How to be more attractive than competitors
Business model: Business 
environment
 (1)
Red Ocean 
 
(Porter 1980)
Highly competitive environment
Well known demand
Value measured in monetary units
How to survive: differentiated or cheaper product / service
Blue Ocean (Kim and Mauborgne 2002)
Highly innovative industry
New demands and markets
Value is measured in monetary units
How to survive: creating a new product and the associated market
15
Business model: Business environment (2)
Purple Ocean
Mixing both Red and Blue ocean strategy
Value measured thanks to monetary units
How to survice: identify innovations to get market advantage
Green Ocean
Integrating sustainability and environmental impact in the value
New demand for « green products »
Sustainability is a driver for innovation
Black ocean
Closing market to competitors to reduce risks regarding the investments
Unfair/unethical advantages to survive
16
Business model: Blockchain market
Disruptive technology
New demand for distributed trust management
Distributed and opened applications
Core mining function
Highly competitive market
Red Ocean strategy
Blockchain based development
Mixing both innovation and strong competition
Blockchain appears as a differentiation mean
Private / semi-private blockchain may be used to « close the market »
17
 
 
Table of Contents: PART 1
From traditional economy to digital economy
Business model
IT evolution
Collaborative ecosystems
Requirements for blockchain support
Blockchain context
New business models or new technologies for existing
business models?
Exercises
IT Evolution: Architecture evolution (1)
Centralized
Years 60-70
o
Main cost related to hardware
o
Repetitive tasks
o
File system / centralized DB
Years 90-2000
o
Main costs related to the
software configuration
o
ERP => Standard software
o
Centralized organization to
support distributed decision
19
Distributed
Years 80-90
o
Microprocessor => PC
o
Main cost related to the
software
o
Relational DB with
interoperable query language
Years 2000-2010
o
SOA
o
Web technologies
o
More adaptive systems
o
Cloud => outsourcing and
industrialized organisation
IT Evolution: Architecture evolution (2)
SMAC – IT revolution?
Front end / back end organization
o
Different accesses
Social media
Mobile vs traditional systems
o
Extend the collaboration requirements
Generalized XaaS model
o
Pay per use
o
On demand
Data are seen as value due to analytical processes
Extend the service and distributed application challenges
20
IT evolution: requirements (1)
Years 60 - 70:
Programing is an art!
High ownership costs
Development of languages, databases, files systems
Industrial organization of IT production.
First attempts towards multi-media…
Years 80 - 95
Relational databases -> openness provided by SQL
Object Oriented Programing
Software packages and “on the shelf” offers
First step to industrialize of software production
21
IT evolution: requirements (2)
Years 95 / 2000
Large scale software packages
o
Minor purchasing costs
o
Major parametrization costs
“Proprietary” environments
“Framework” development
Start industrialize software production environment
Now
Communication costs decrease
Middleware logics
Pay per use
Open source software development
o
Mutation towards a service-oriented environment
Increase the call for Distributed Transaction management
22
IT evolution: Network environment
Internet architecture
Built incrementally in the 70
P2P organization
Few application oriented services
Telcos vision
Rather prospective => OSI model
Integration of several service features such as interoperability, synchronization
management, application service organization
Web-based technology
Extend the Internet stack use
P2P organization
Extended connectors to deploy collaborative business
23
 
 
Table of Contents: PART 1
From traditional economy to digital economy
Business model
IT evolution
Collaborative ecosystems
Requirements for blockchain support
Blockchain context
New business models or new technologies for existing
business models?
Exercises
Collaborative ecosystems: collaborative
organisation
Partner centered collaborative organization
Main stakeholder and its related business partners
Mid-term to long-term collaboration
Centralized vision
Centralized business network
Main stakeholder with its business partners
Networked value chain thanks to transversal relationships between partners
Take advantage of trust developed using the partner centered collaborative
organization
Semi-decentralized vision
Fully decentralized
Based on the business development and on the client own value chain
Require developing trust
Need to interconnect trusted Business Process (BP) in a short-term / mid-term
vision
25
Collaborative Business: Requirements
Various requirements
Standard process description for Business processes (best practices, legal
constraints)
o
Example of the SCOR patterns used in the Supply chain
Expending partner centered organization to e-marketplace
o
Increase the competition between potential partners
o
Selection / cooptation to join the trusted e-marketplace
Integration of IoT / WoT information to share production process information
o
Adding new process models
o
Enriching partners interactions
26
Collaborative Business: collaboration
strategy
Informal collaboration
Based on trust
P2P co-operation
No common processes
Contract-based collaboration
Activities are coordinated thanks to a common process but Information Systems
(ISs) are not integrated
Contracts support partners interaction
Trust is enforced by the contractual relationship
Fully integrated cooperation
Cooperating legacy IS requiring interoperability
Common process with strong interactions between partners own processes
Multiple contracts management
27
Collaborative Business: collaborative BP
Trust management
Key point to set collaborative organization
Depends on various criteria
o
Human relationships
o
Non functional properties related to cost, delay, quality…
Supervision and governance functions
Necessary to monitor agreements (SLA and business agreements)
Requires integrating agreements related to different transaction
Organizing the common process
Is not a simple composition of each partner own process
Requires managing IS interoperability
Activity imputability
28
Collaborative Business: legal constraints
Value-added process management involves paying attention to
Responsibility limits
Financial flows
Main requirements
Electronic Data Interchange
o
Standard interoperable documents
o
Transaction log management
o
Interchange contracts reporting IS interactions
Trusted parties certification
o
Legal accreditation
o
Certification process
Different legal contexts for international collaboration
29
 
 
Table of Contents
From traditional economy to digital economy
Business model
IT evolution
Collaborative ecosystems
Requirements for blockchain support
Blockchain context
New business models or new technologies for existing
business models?
Exercises
Blockchain-based collaboration:
requirements
Trust between partners
Authentication: being sur of the identity of the contracting parties
Reputation: knowing what has been done before is necessary for cooptation
Transparency: each partner can control what others are doing to reach the common
goal
Transaction management
P2P and multi-tiers contractual relationships and transactions
Ledgers are necessary to fulfill legal obligations so that transactions can be tracked
Automating Business Transaction
Identifying intermediaries involved in the common process
Tracking IS interactions
Integration and synchronization of various components
31
Blockchain-based collaboration:
Blockchain characteristics
Digital and distributed ledgers storing signed transactions
Transactions are stored in blocks and blocks are chained
Double-spending mechanism
Shared ledgers increase availability and reduce fraud risks
Digital signature provides integrity and imputability
Increased transparency (but no confidentiality)
Extra services
Smart contract allowing event-based process organization
Digital identity providing certified authentication process
Multiple signature mechanisms
32
Blockchain-based collaboration: benefits
Transparency
Recorded transactions
Need to define precisely the transaction information
Collaborative network management
Identity certification
Cooptation process registering
Distributed BP
Record processes interactions
Identify “launching conditions” for each sub-process
33
 
 
Table of Contents: PART 1
From traditional economy to digital economy
Blockchain context
Blockchain key principles
Blockchain characteristics
Hype cycle
New business models or new technologies for existing
business models?
Exercises
According to you, how can you
qualify a blockchain project?
Is there only one kind of Blockchain project or
several kinds of blockchain?
How to set a blockchain typology?
What are the main components?
Is Blockchain only a buz word or can its hype
cycle be characterized?
According to you, how can you
qualify the digital economy?
In this part you will
Learn basic elements on blockchain characteristics to set a typology
Identify key elements to select a convenient blockchain support
Get information on blockchain hype cycle
 
 
Table of Contents: PART 1
From traditional economy to digital economy
Blockchain context
Blockchain key principles
Blockchain characteristics
Hype cycle
New business models or new technologies for existing
business models?
Exercises
Blockchain key principles: Previous works
Time-stamped information
Digital signature including a time-stamp (1991)
Use hashing techniques
Merkle tree (1979)
Store hashed information
Binary tree organization
Merging blocks involves computing new hash associated to the “father node”
Strong cryptographic foundation but
How can the Merkle tree be stored
How to protect it from attacks
38
Blockchain key principles: characteristics
From transaction to blockchain
A block stores
o
transactions data
o
The previous block hash
A Merkle tree stores the blocks
o
Each block is signed with a hash
Decentralized storage of the Merkle tree
Distributed ledgers
o
Safer storage
Common governance rule
o
How to trust the block validation process
39
Blockchain key principles: governance rules
Proof of Work (PoW)
Block’s hash is computed according to a mathematical challenge
o
Finding the “nonce” in a bruteforce way
Requires important computing resources and energy
o
Trust depend on the hardware investment and on the “consumed” computing resources
Proof of Stake
Validator is randomly chosen according to the invested currency
Avoid heavy computation
o
Involves less speculation
Proof of Authority
List of potential certified validators
Reputation mark
40
 
 
Table of Contents: PART 1
From traditional economy to digital economy
Blockchain context
Blockchain key principles
Blockchain characteristics
Hype cycle
New business models or new technologies for existing
business models?
Exercises
Blockchain characteristics: access control
Permissionless blockchain
Opened and shared ledgers
Free access for validators
Users are identified by their avatar
Public blockchain
Permissioned blockchain
Authorized validators
Restricted access to the ledgers
Users are associated to well known identities
Used for private blockchain / consortium blockchain
42
Blockchain characteristics: architecture (1)
Similar to the Cloud stack model
May lead to Blockchain as a Service organisation
43
 
Source: https://www2.deloitte.com/content/dam/Deloitte/in/Documents/industries/in-convergence-blockchain-tech-stack-noexp.pdf
 
Blockchain characteristics: architecture (2)
Infrastructure
Computing, communication and storage features
Mining process
o
Adapted hardware
o
Optimized cryptographic computation
Organisation and protocols
Blockchain platform
Validation strategy
Consensus method
Services
End user wallet system
Trusted services: identity management, distributed files/DB, event manager, digital
asset management…
44
 
 
Table of Contents: PART 1
From traditional economy to digital economy
Blockchain context
Blockchain key principles
Blockchain characteristics
Hype cycle
New business models or new technologies for existing
business models?
Exercises
Blockchain hype cycle
46
Blockchain hype cycle: Blockchain 1.0
key elements
First introduced as Bitcoin
Fiat currency
P2P currency transfer without intermediaries
o
But it requires miners!
No valuable good exchange to support the crypto-currency
Transaction validation
Solve the double spending problem
Fees
o
Use the blockchain token
o
Miners choose “the best transactions” to integrate into blocks
o
Paid only if the block is validated
47
Blockchain hype cycle: Blockchain 1.0
limits
Long delay (10 minutes for a bitcoin block validation)
Scalability problem
Identity management
Identity related to a key
No proven links between the real identity and the avatar
Security risks
Internal byzantine fault
Lossing private key
Crypto-currency
No legal status for the tokens
Crypto-currency isolation: no exchange mechanisms between different currencies
Highly volatile value due to speculation of the main actors
48
Blockchain hype cycle: Blockchain 2.0
key elements
First implementation in Ethereum
Smart contracts
Distributed application
Contract based organization
Event driven
Integrates the transaction payment
Distributed application
Open-source
Manage its own tokens
Automated transaction execution
Data and operations are stored in the blockchain
49
Blockchain hype cycle: Blockchain 2.0
limits
Smart contract legal status
Computarized transaction and not a contract
How parties identity can be proven?
How to be sure of the capacity of the contracting parties?
Different regulations depending on the hosting countries
Event driven organization
Allows reactivity
Different organization than the traditional control driven logic
“Code is law”
Code cannot be adapted even in case of failure
Increased security risks
Blockchain delay and scalability?
50
Blockchain hype cycle: Blockchain 3.0
Key points
Designed to overcome Blockchain 1.0 and 2.0 main limits
Lack of scalability
Lack of interoperability
Lack of sustainability
Off-line governance strategy lack of transparency
Main characteristics
Blockchain middleware approach
New on line governance strategy
o
Scalable validation processes
Integration of private blockchain requirements and characteristics
Sustainable block management
IoT integration
51
Blockchain hype cycle: potential usage
Main characteristics:
Trust, immutability and consensus
Potential community and coordination requirements
Novelty
Picked from the truth about Blockchain (
https://hbr.org/2017/01/the-truth-
about-blockchain
),
52
Localization
Single use
Transformation
Substitution
Novelty
Coordination
Blockchain hype cycle: Reduced community
Single use
Blockchain provides a less expensive solution
Focused solution
Used to certify and store transactions in a distributed ledger
Example: micro-payment
Localisation
Reduced business community
High novelty
Mostly FinTech applications
Example: NASDAQ management
53
Blockchain hype cycle: large community
Substitution
Blockchain technology replaces traditional ones
Use basic blockchain characteristics
o
Immutability
o
Availability
Most applications are related to
o
Certification (diploma, shipment documents…)
o
Exchange (gift cards…)
Transformation
Rethink applications to fit the digital transformation
Heavy use of smart contracts
Example: collaborative and shared economy (energy P2P exchange…)
54
 
 
Table of Contents: PART 1
From traditional economy to digital economy
Blockchain context
New business models or new technologies for existing
business models?
Exercises
According to you, how can you set
a blockchain project perimeter?
Is Blockchain a new “universal” technology?
Is blockchain a new technology for new business
models?
According to you, how can you
qualify the digital economy?
In this part you will
Integrate the knowledge picked from digital economy and blockchain
technological contexts to identify how blockchain can be integrated in a
collaborative business systems
Get some elements to promote blockchain usage
What can a blockchain do… and not?
Use case: Hey, I want a cup of coffee, should I use a blockchain ?
Traditionally: order directly a coffee
Use existing currencies to pay for the coffee and the service
58
Before Blockchain
Hey, I want a cup of coffee, should I use a blockchain ?
Blockchain 1.0
Easy to pay without taking care of the currency type of the country
trusted exchange
« no charge »
Heavy Carbon cost !
Various real price depending on the cryptocurrency rate
Require adding the cryptocurrency as a payment mean in the reseller
information system
Blockchain 2.0
Define once the ordering conditions and do not take care after that
Choose your own trusted sources to define the contract launching conditions
The contract will be automatically launch depending on external context
Only 1 shot contract
Your reseller will have to establish the contract and its connection with its IS
The smart contract has a registration cost and the carbon cost may be heavy
P2P trusted organization which does not allow multi-tenant contract
Hey, I want a cup of coffee, should I use a blockchain ?
Conditions (time, temperature, stress
level…)
Blockchain 3.0
Fully trusted and distributed process organization
Totally new and distributed collaborative and trusted organization
Block registration cost, carbon impact
Change the application design model
Limited to P2P organizations and requires to set the collaboration chain separately
Hey, I want a cup of coffee, should I use a blockchain ?
Conditions (time,
temperature, stress level…)
Trusted IoT identification
Collaborative supply
chain organisation
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This learning unit delves into the disruptive potential of blockchain technology on existing business models. It examines real-world use cases across various industries and discusses the implications, challenges, and merits of implementing blockchain. Topics include regulatory considerations, blockchain's impact on business innovation, and analyzing SWOT factors in industry scenarios.

  • Blockchain Technology
  • Business Innovation
  • Industry Disruption
  • Regulatory Challenges
  • SWOT Analysis

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  1. BLISS Project Output O3 Open Education Resource Task O3-T1 Training and assessment material U3 Communicating the business merits, challenges and implications of blockchain technology Learning unit : 50 Hours : Introduces how the characteristics of blockchain technology can disrupt and/or innovate existing business models and business processes. Examines existing blockchain-based use cases in industries such as finance, public services, provenance, supply chains etc. Abstract : 2

  2. Communicating the business merits, challenges and implications of blockchain technology U3 Learning unit Learning outcomes Interpret the legal, regulatory and consumer challenges to wider blockchain adoption and conformance K5 Knowledge Skills Policy and regulation Recognise potential regulatory and legal frameworks for blockchain operation, including consumer protection, and taxation Blockchain and Public Policy, Central Banks & governmental regulations Implications of blockchains for governments, policy makers, law professionals, regulators and society 3

  3. Communicating the business merits, challenges and implications of blockchain technology U3 Learning unit Learning outcomes Monitor the intervention of blockchain technology in business models K6 Knowledge Skills Blockchain as innovator of businesses and processes Provide detailed examples of the blockchain transforming power in specific contexts Blockchain business models Blockchain emerging trends susceptible to create value for the business Innovative blockchain solutions and entrepreneurship Blockchain transforming business and professionalism 4

  4. Communicating the business merits, challenges and implications of blockchain technology U3 Learning unit Learning outcomes Analyse blockchain SWOT (Strengths, Weaknesses, Opportunities, Threats) for specific industry scenarios K7 Knowledge Skills Blockchain maturity and strategies Project strengths and weaknesses of the Blockchain technology in a given scenario Blockchain adoption metrics, challenges and opportunities Blockchain business strategies 5

  5. Communicating the business merits, challenges and implications of blockchain technology U3 Learning unit Learning outcomes Intelligibly present Blockchain industry business models K8 Knowledge Skills Blockchain as business model disruption Describe blockchain business processes and business logics Implications of blockchains for corporates, such as disruption by open markets, winner- takes-all, multi-sided market platforms, the role of trust in blockchain markets How blockchain technology is disrupting existing business models and creating new ones 6

  6. Communicating the business merits, challenges and implications of blockchain technology U3 Learning unit Learning outcomes Communicate business opportunities behind the limits of the blockchain K9 Knowledge Skills Existing applications Outline latest trends in the blockchain technology, and the directions of growth across impacted industries Main disruptive features of different practical blockchain application scenarios, such as in finance, assurance, accounting, business operations, public administration and government services 7

  7. U3 : Communicating the business merits, challenges and implications of blockchain technology Fr d rique Biennier INSA of Lyon, France 8

  8. Table of Contents Part 1: Promoting Blockchain usage From traditional economy to digital economy Blockchain context New business models or new technologies for existing business models? Exercises Part 2: Value models Traditional value models Characterizing a blockchain value system Building the Blockchain value model Integration of blockchain value models in digital economy collaborative business Exercises 9

  9. Table of Contents: PART 1 From traditional economy to digital economy Blockchain context New business models or new technologies for existing business models? Exercises 10

  10. According to you, how can you qualify the digital economy? Are there any models qualifying the business environment? What are the main collaborative ecosystems models? Which requirements can be fulfilled using a blockchain? 11

  11. According to you, how can you qualify the digital economy? In this part you will Learn basic elements on digital economy and collaborative ecosystems Learn how IT and blockchain technologies have evolved to fit the economic context Get information on collaborative ecosystem requirements and how blockchain technology can be an answer 12

  12. Table of Contents: PART 1 From traditional economy to digital economy Business model IT evolution Collaborative ecosystems Requirements for blockchain support Blockchain context New business models or new technologies for existing business models? Exercises 13

  13. Business model: Value Characterizing value: Aggregating one or more impacts Financial, social impact, environmental impact, cultural impact Global organization Internal How to produce the product / service o Identification of the main costs related to investments as well as functioning costs o Relationships with partners / competitors How value is shared o How to be more attractive than competitors o 14

  14. 15 Business model: Business environment (1) Red Ocean (Porter 1980) Highly competitive environment Well known demand Value measured in monetary units How to survive: differentiated or cheaper product / service Blue Ocean (Kim and Mauborgne 2002) Highly innovative industry New demands and markets Value is measured in monetary units How to survive: creating a new product and the associated market 15

  15. 16 Business model: Business environment (2) Purple Ocean Mixing both Red and Blue ocean strategy Value measured thanks to monetary units How to survice: identify innovations to get market advantage Green Ocean Integrating sustainability and environmental impact in the value New demand for green products Sustainability is a driver for innovation Black ocean Closing market to competitors to reduce risks regarding the investments Unfair/unethical advantages to survive 16

  16. 17 Business model: Blockchain market Disruptive technology New demand for distributed trust management Distributed and opened applications Core mining function Highly competitive market Red Ocean strategy Blockchain based development Mixing both innovation and strong competition Blockchain appears as a differentiation mean Private / semi-private blockchain may be used to close the market 17

  17. Table of Contents: PART 1 From traditional economy to digital economy Business model IT evolution Collaborative ecosystems Requirements for blockchain support Blockchain context New business models or new technologies for existing business models? Exercises 18

  18. 19 IT Evolution: Architecture evolution (1) Centralized Distributed Years 60-70 Years 80-90 Main cost related to hardware Microprocessor => PC o o Repetitive tasks Main cost related to the software o o File system / centralized DB o Relational DB with interoperable query language o Years 90-2000 Main costs related to the software configuration o Years 2000-2010 SOA o ERP => Standard software o Web technologies o Centralized organization to support distributed decision o More adaptive systems o Cloud => outsourcing and industrialized organisation o 19

  19. 20 IT Evolution: Architecture evolution (2) SMAC IT revolution? Front end / back end organization Different accesses o Social media Mobile vs traditional systems Extend the collaboration requirements o Generalized XaaS model Pay per use o On demand o Data are seen as value due to analytical processes Extend the service and distributed application challenges 20

  20. 21 IT evolution: requirements (1) Years 60 - 70: Programing is an art! High ownership costs Development of languages, databases, files systems Industrial organization of IT production. First attempts towards multi-media Years 80 - 95 Relational databases -> openness provided by SQL Object Oriented Programing Software packages and on the shelf offers First step to industrialize of software production 21

  21. 22 IT evolution: requirements (2) Years 95 / 2000 Large scale software packages Minor purchasing costs Major parametrization costs o o Proprietary environments Framework development Start industrialize software production environment Now Communication costs decrease Middleware logics Pay per use Open source software development Mutation towards a service-oriented environment o Increase the call for Distributed Transaction management 22

  22. 23 IT evolution: Network environment Internet architecture Built incrementally in the 70 P2P organization Few application oriented services Telcos vision Rather prospective => OSI model Integration of several service features such as interoperability, synchronization management, application service organization Web-based technology Extend the Internet stack use P2P organization Extended connectors to deploy collaborative business 23

  23. Table of Contents: PART 1 From traditional economy to digital economy Business model IT evolution Collaborative ecosystems Requirements for blockchain support Blockchain context New business models or new technologies for existing business models? Exercises 24

  24. 25 Collaborative ecosystems: collaborative organisation Partner centered collaborative organization Main stakeholder and its related business partners Mid-term to long-term collaboration Centralized vision Centralized business network Main stakeholder with its business partners Networked value chain thanks to transversal relationships between partners Take advantage of trust developed using the partner centered collaborative organization Semi-decentralized vision Fully decentralized Based on the business development and on the client own value chain Require developing trust Need to interconnect trusted Business Process (BP) in a short-term / mid-term vision 25

  25. 26 Collaborative Business: Requirements Various requirements Standard process description for Business processes (best practices, legal constraints) Example of the SCOR patterns used in the Supply chain o Expending partner centered organization to e-marketplace Increase the competition between potential partners o Selection / cooptation to join the trusted e-marketplace o Integration of IoT / WoT information to share production process information Adding new process models o Enriching partners interactions o 26

  26. 27 Collaborative Business: collaboration strategy Informal collaboration Based on trust P2P co-operation No common processes Contract-based collaboration Activities are coordinated thanks to a common process but Information Systems (ISs) are not integrated Contracts support partners interaction Trust is enforced by the contractual relationship Fully integrated cooperation Cooperating legacy IS requiring interoperability Common process with strong interactions between partners own processes Multiple contracts management 27

  27. 28 Collaborative Business: collaborative BP Trust management Key point to set collaborative organization Depends on various criteria Human relationships o Non functional properties related to cost, delay, quality o Supervision and governance functions Necessary to monitor agreements (SLA and business agreements) Requires integrating agreements related to different transaction Organizing the common process Is not a simple composition of each partner own process Requires managing IS interoperability Activity imputability 28

  28. 29 Collaborative Business: legal constraints Value-added process management involves paying attention to Responsibility limits Financial flows Main requirements Electronic Data Interchange Standard interoperable documents o Transaction log management o Interchange contracts reporting IS interactions o Trusted parties certification Legal accreditation o Certification process o Different legal contexts for international collaboration 29

  29. Table of Contents From traditional economy to digital economy Business model IT evolution Collaborative ecosystems Requirements for blockchain support Blockchain context New business models or new technologies for existing business models? Exercises 30

  30. 31 Blockchain-based collaboration: requirements Trust between partners Authentication: being sur of the identity of the contracting parties Reputation: knowing what has been done before is necessary for cooptation Transparency: each partner can control what others are doing to reach the common goal Transaction management P2P and multi-tiers contractual relationships and transactions Ledgers are necessary to fulfill legal obligations so that transactions can be tracked Automating Business Transaction Identifying intermediaries involved in the common process Tracking IS interactions Integration and synchronization of various components 31

  31. 32 Blockchain-based collaboration: Blockchain characteristics Digital and distributed ledgers storing signed transactions Transactions are stored in blocks and blocks are chained Double-spending mechanism Shared ledgers increase availability and reduce fraud risks Digital signature provides integrity and imputability Increased transparency (but no confidentiality) Extra services Smart contract allowing event-based process organization Digital identity providing certified authentication process Multiple signature mechanisms 32

  32. 33 Blockchain-based collaboration: benefits Transparency Recorded transactions Need to define precisely the transaction information Collaborative network management Identity certification Cooptation process registering Distributed BP Record processes interactions Identify launching conditions for each sub-process 33

  33. Table of Contents: PART 1 From traditional economy to digital economy Blockchain context Blockchain key principles Blockchain characteristics Hype cycle New business models or new technologies for existing business models? Exercises 34

  34. According to you, how can you qualify a blockchain project? Is there only one kind of Blockchain project or several kinds of blockchain? How to set a blockchain typology? What are the main components? Is Blockchain only a buz word or can its hype cycle be characterized? 35

  35. According to you, how can you qualify the digital economy? In this part you will Learn basic elements on blockchain characteristics to set a typology Identify key elements to select a convenient blockchain support Get information on blockchain hype cycle 36

  36. Table of Contents: PART 1 From traditional economy to digital economy Blockchain context Blockchain key principles Blockchain characteristics Hype cycle New business models or new technologies for existing business models? Exercises 37

  37. 38 Blockchain key principles: Previous works Time-stamped information Digital signature including a time-stamp (1991) Use hashing techniques Merkle tree (1979) Store hashed information Binary tree organization Merging blocks involves computing new hash associated to the father node Strong cryptographic foundation but How can the Merkle tree be stored How to protect it from attacks 38

  38. 39 Blockchain key principles: characteristics From transaction to blockchain A block stores transactions data o The previous block hash o A Merkle tree stores the blocks Each block is signed with a hash o Decentralized storage of the Merkle tree Distributed ledgers Safer storage o Common governance rule How to trust the block validation process o 39

  39. 40 Blockchain key principles: governance rules Proof of Work (PoW) Block s hash is computed according to a mathematical challenge Finding the nonce in a bruteforce way o Requires important computing resources and energy Trust depend on the hardware investment and on the consumed computing resources o Proof of Stake Validator is randomly chosen according to the invested currency Avoid heavy computation Involves less speculation o Proof of Authority List of potential certified validators Reputation mark 40

  40. Table of Contents: PART 1 From traditional economy to digital economy Blockchain context Blockchain key principles Blockchain characteristics Hype cycle New business models or new technologies for existing business models? Exercises 41

  41. 42 Blockchain characteristics: access control Permissionless blockchain Opened and shared ledgers Free access for validators Users are identified by their avatar Public blockchain Permissioned blockchain Authorized validators Restricted access to the ledgers Users are associated to well known identities Used for private blockchain / consortium blockchain 42

  42. 43 Blockchain characteristics: architecture (1) Similar to the Cloud stack model Source: https://www2.deloitte.com/content/dam/Deloitte/in/Documents/industries/in-convergence-blockchain-tech-stack-noexp.pdf May lead to Blockchain as a Service organisation 43

  43. 44 Blockchain characteristics: architecture (2) Infrastructure Computing, communication and storage features Mining process Adapted hardware o Optimized cryptographic computation o Organisation and protocols Blockchain platform Validation strategy Consensus method Services End user wallet system Trusted services: identity management, distributed files/DB, event manager, digital asset management 44

  44. Table of Contents: PART 1 From traditional economy to digital economy Blockchain context Blockchain key principles Blockchain characteristics Hype cycle New business models or new technologies for existing business models? Exercises 45

  45. 46 Blockchain hype cycle Blockchain3.0: Smart contracts + IoT Blockchain2.0: Smart contracts Blockchain 1.0 46

  46. 47 Blockchain hype cycle: Blockchain 1.0 key elements First introduced as Bitcoin Fiat currency P2P currency transfer without intermediaries But it requires miners! o No valuable good exchange to support the crypto-currency Transaction validation Solve the double spending problem Fees Use the blockchain token o Miners choose the best transactions to integrate into blocks o Paid only if the block is validated o 47

  47. 48 Blockchain hype cycle: Blockchain 1.0 limits Long delay (10 minutes for a bitcoin block validation) Scalability problem Identity management Identity related to a key No proven links between the real identity and the avatar Security risks Internal byzantine fault Lossing private key Crypto-currency No legal status for the tokens Crypto-currency isolation: no exchange mechanisms between different currencies Highly volatile value due to speculation of the main actors 48

  48. 49 Blockchain hype cycle: Blockchain 2.0 key elements First implementation in Ethereum Smart contracts Distributed application Contract based organization Event driven Integrates the transaction payment Distributed application Open-source Manage its own tokens Automated transaction execution Data and operations are stored in the blockchain 49

  49. 50 Blockchain hype cycle: Blockchain 2.0 limits Smart contract legal status Computarized transaction and not a contract How parties identity can be proven? How to be sure of the capacity of the contracting parties? Different regulations depending on the hosting countries Event driven organization Allows reactivity Different organization than the traditional control driven logic Code is law Code cannot be adapted even in case of failure Increased security risks Blockchain delay and scalability? 50

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