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Blockchain in Learning
& Career Development
Hristian Daskalov I Co-Founder of OS.UNIVERSITY
Ada. National College for Digital Skills
April 22nd I 14:00
Is the Future of Our Educational & Professional Identity on the Chain?
About Me
Hristian Daskalov
Project Lead
 Doctoral Candidate at the Technical University (Sofia)
Open Source Project Stakeholder Management
 Co-Founder of the Center for Open Science & Business
Development, Faculty of Management
 Policy Expert at Brain Workshop Institute
 Former Advisor to the Ministry of Economy,
Research & Development Specialization Strategy
 Former Member of the Expert Group on the
Development of OPNOIR 2014/20 Investment Program
 Former Strategy & Transformation Expert at Hewlett
Packard Enterprise
Brought to you by...
A strong social mission
Youth Speak Forum
Riga, Latvia
AIESEC Leadership Experience
Sao Paulo, Brazil
A research-driven agenda
Riga Technical University
Republic of Latvia, Spring 2017
Brno Technical University
Czech Republic, Autumn 2017
Find at www.os.university/book
Academia 4.0
Find at www.os.university/book
Industry 4.0
1. Introduction
2. Platform Overview
3. Problems & Solutions
4. Market Potential
5. Benefits & Use Cases
 Academia
 Businesses
 Learners
Contents
6. Technology Stack
7. State of Development
8. Community Building
9. Project Timeline
10. Meet the Team
 Core Development
 Advisors & Ambassadors
11. Additional Materials
 Executive Summary
 Resources
To Chain or not to Chain?
Can you articulate a
real business problem
that needs solving?
Could it have it been
fixed before
blockchains?
Do you need a
database?
Do many people need
to write to it?
Are writers known and
trusted?
Do you want to rely on
a trusted third party?
However, another DLT
solution might be
better, let’s see.
Do the benefits justify
the cost of the
adoption?
Do you need to
control read and write
access?
Do you value
censorship resistance
and immutability over
efficiency?
Are writers’ interests
unified?
Will all participants
need to upgrade and
replace systems?
You probably
don’t need a
blockchain.
You might
need a
blockchain...
Y
Y
Y
N
N
N N
Y Y
N
Y
N
N
N
Y
Y
Y N
You most
probably
need a
public
blockchain!
N
Y
Y
Is consensus
determined by
multiple entities?
N
Coordinate those
entities into a
consortium.
You might
need a
private
distributed
ledger.
Choose the
best
blockchain
or DLT
[hybrid]
Y
N
‘Internet of Things’ era is about collecting, connecting, and making sense of
data. We need a ‘Diploma of things’ mechanism to collect, connect and make
sense of learning. Therefore the distributed education and career
development ledger is what we work on at www.OS.UNIVERSITY.
Blockchain for Education and Professional Development
EC JRC Research Findings
The recent report by the Joint Research Center (JRC) of
the European Commission describes case studies of
implementations from various players, but each of these
implementations is in a piloting phase.
“Even from these early pilots, it is possible to suggest
that blockchain has the potential to disrupt the
education market by loosening the control current
players have over this market in line with open
education’s sharing and transparency principles and by
empowering learners.”
This book highlights OS.UNIVERSITY as one of the earliest
and most prominent pilots, containing early research,
Single institution use case - authentication
of certificates I Groups of institutions -
shared repositories of accomplishments
and shared business models I National
database - state-regulated qualifications I
International database – credits’ transfer I
Global assessment I Reliable open badges,
MOOCs achievements I Smarter Hiring I
Continuing Professional Development –
poorly tracked, not mobile, underutilized I
…
Use Cases
Argentina pilot
Cyprus’ pilot
Photo credits: Learning Machine
Blockchain-based Educational & Professional Identity
“We envision a world in which the awarding
and validation of qualifications no longer
occur exclusively under the management of
an education institution or an employer and
individual students, teachers, and peers
take more ownership of the learning
experience and its outcomes (...)"
Prof. John Domingue,
Director of Open University’s
Knowledge Media Institute
Status Quo
 Half of workers encountered lies in
colleagues’ resumes.
 1/3rd of applicants removed due to
false information.
 30+ days per candidate on
reviewing experience, competences.
 Authenticity;
 Decentralizing Trust;
 Less Bureaucracy;
 Direct interaction;
 Security.
Why Blockchain?
Millions of pounds, months
spent by institutions and
individuals on verifying alumni
credentials on request.
OS.UNIVERSITY Overview
The OS.University DApp bridges the gap between
businesses and education through blockchain [used for
validating and verifying learners’ credentials] and smart
contracts [managing content purchases and other
marketplace transactions, as well as HR processes].
We apply open source technologies and principles of
collaboration to re-engineer the current-state educational
model by building a system to enable smarter
transactions of information & value through institutional,
national borders.
19
OS.University’s platform provides a searchable
catalogue of a broad range of courses and programs.
Global Catalogue of Courses
Businesses can reach out to content providers through a
marketplace, powered by reputation system. An “Amazon
for Learning” without “Amazon”, i.e. the middleman.
Tokenized Marketplace
Access to a new, higher quality educational model
with option to curate and customize programs,
optimised for results.
Flexibility & Modularity
Learner’s profile contains verified educational,
work experience, skills & qualifications track
record,
Credentials Wallet
Lack of organization in the online ocean of
education and development opportunities.
Dispersion of Content
A decades-old problem that can be solved
by information coordination, trust, and smart
contracts between the parties.
Business & Education Gap
Universities lack modernization & respond
slowly to job market needs; MOOCs gain
popularity, but lack credibility.
Strained Existing Model
Issues with fake diplomas, certifications,
unverified CVs and skillset claims.
Trust & Transparency
Problems & Solutions
Market Potential
B2L
B2A
L2A
According to Forbes, the online
education market alone is worth over
USD 165 billion (2016). Projected to reach
USD 240+ billion by 2023.
According to U.S. Bureau of Labor
Statistics up to 24% of workforce change
jobs annually.
In a recruitment market of USD 200+
billion, blockchain-verified profiles can
cut hiring period in half.
According to “Training Industry”, in 2017,
corporations estimated spending was
around USD 360+ billion – insourced and
outsourced corporate training initiatives.
According to “Academia 4.0 – University
on the Blockchain” research, the arising
‘’learning on demand” industry would
be best managed though smart
contracts, erasing the borders between
higher and further education.
Educational
Marketplace
Personal Identity,
Corporate
Recruitment
Corporate L&D
Academia Benefits
Universities & MOOCs
Generate opportunities by featuring content
Disclaimer: logos of service providers are for illustrational purposes and do not represent already completed integrations or signed partnerships.
Integration Benefits
Leaner, faster, transparent and cost-
effective credentialing model
Competitive market advantage, achieved
through the global blockchain-enhanced
learning and development marketplace
Higher learner retention and engagement
by gamifying the learning experiences
through smart contracts
Businesses Benefits
Recruitment & HR
Disclaimer: logos of service providers are for illustrational purposes and do not represent already completed integrations or signed partnerships.
Integration Benefits
Instant access to a global pool of talent
with traceable credentials, enabling
smarter recruitment
Performance-based hiring and career
advancement, enabled by smart contracts,
incentivized by rewardsand cost-effective
credentials model
Global opportunities for corporate
learning and development on demand
without scalability constraints
LMS
Employee
Rewards
Employee
Recognition
Hire smarter and faster; engage employees
Learners Benefits
Students & Employees
Disclaimer: logos of service providers are for illustrational purposes and do not represent already completed integrations or signed partnerships.
Adoption Benefits
Indisputable accomplishments and
achievements - validated and verified
through the blockchain, showcased
worldwide
Customized educational opportunities,
based on distributed learning pathways,
curated by Academia and businesses
Exclusive employment and professional
development options, based to
sophisticated matching algorithms
CVsCertificates
Recommendations
Traineeship
Validate accomplishments; verify achievements
These were just some of the smart contracts we start with.
Beyond them, the system has the potential to eliminate the
friction and costs of various current third-party intermediaries
when considering learners records management and other
personal identifiable information or sensitive data, whether it
comes to education or career development.
There are undisputable promises of improved data integrity,
reduced transaction costs, decentralization and disintermediation
of trust. By being able to coordinate, store, and share learners’
events, stakeholders essentially alleviate unnecessary and
duplicate services, which lowers cost and increases security.
Technology Stack
Front-end
Back-end
State of Development
78%UI/UX
70%Front-End
61%Blockchain & Smart Contracts
47%Business Development & Partnerships
14%Onboarding Users
Alpha Release
The first release of the OS.University DApp is
scheduled for early June. Stats from the current
progress report can be found below:
Community Building
PILOT INTEGRATORS ACADEMIA LEARNERS BUSINESSES
Educational Marketplace University of Insurance & Finance
National Students Union;
Association of Bulgarian
Leaders & Entrepreneurs;
Bulgarian Association for
Management of People
[Featured in leading
university conferences and
journals in England, Czech
Republic, Latvia, Bulgaria]
IO Era Ltd;
ReChained Ltd
Self-Sovereign L&D
Identity
Technical University of Sofia Job Tiger;
Jamba
Hiring and Recruitment Mandalay International University Job Tiger Recruitment;
Investor Media Group
Corporate Learning &
Development
Brain Workshop Institute Cobden Partners;
Navigato
Each of our pilot integrators has an assigned key account manager and a represantative at the advisery/ambassadors’ board to assure smooth
implementation from system and business perspectives. Upon initial integrations, platform onboarding of organizations and end users will be open to
all (platform-as-a-service). Custom integrations and support services will be provided on demand to complement the open PaaS model.
Phase 1: Scientific Research and Concept Validation
Phase 3: Pilot Implementations and Market Penetration
Phase 2: Early Prototyping and Alfa Development
Phase 5: Revenue Generating Beta Release
Phase 4: EDU Token Circulation and Exchange
H2 2015 2016 H1 2017 H2 2017 H1 2018 H2 2018 2019 2020
The OS University project dates back to 2015, starting with a solid academic
research. A proof-of-concept phase was initiated, along with corporate
partners from Bulgarian industry and software development sectors,
resulting in early versions of system's architecture and design. Today there is
a dedicated research center at TU Sofia, turning OS.University into world’s
first academia-powered crypto crowdfunded project.
Project Timeline
Technical
University
Hewlett Packard
Enterprise
AIESEC
Ernst & Young
Ministry
of Education
& Science
Bulgarian
Information
Technology
Association Cobden Partners
Brain Workshop
Institute
University of
Insurance & Finance
Job Tiger
Job Tiger
Recruitment
Investor Media Group
National
Students
Union
A truly global
ecosystem of
educators, learners,
and business is
expanding on the
distributed
blockchains beyond
Ethereum.European
Commission
Jamba
Meet the Team
We are coming from various backgrounds - academic, entrepreneur, development - from large tech companies to startups.
Different, yet united, the Open Source University team forms a unique blend of technology R&D and business development talent.
Advisors & Ambassadors
 Join Our Team – Become an Ambassador
 Join the Project – Become an Early Adopter
 Jon the Cause – Share Your Ideas on the Future of Education and Jobs
 Stay Curious. Dream Big. Never Stop Learning
“The best way to predict your future is to create it”
Abraham Lincoln
hello@os.university
General:
hristian.daskalov@os.university
Me:
WWW.OS.UNIVERSITY
Additional Information
Many additional materials are collected and made available during the process of
building a Proof of Concept. Research materials has been peer-reviewed by the European
scientific community and featured in leading academic journals. From corporate and
social perspective, the R&D project has been recognized by international organizations as
the innovative solution to enable better information coordination relationships.
Executive Summary
LEGAL & FINANCIALS BUSINESS OPERATIONS MARKETING & COMMUNITY
Open and growing consortium of
London and Sofia - based
companies and universities.
An international team of 30+ academic and
corporate professionals, contributing from 10
countries on 3 continents,
Organically-grown community of 65,000
supporters throughout all social
networks. [join Telegram]
Rechained Ltd. (Republic of
Bulgaria) is the leading partner.
An in-house team of 7+ experienced technology
professionals and founders, dedicated on the
project.
The media group behind Bloomberg TV
in Bulgaria as a strategic media partner
and early adopter. [watch video]
USD 450,000 + raised in angel
investments, crypto crowdfunding,
public and research grants.
3 years of successful track-record from early
research, to concept validation, to prototyping,
development and early implementation.
Frist University crypto-crowdfunding
campaign. Partnership case-studies with
trusted companies [watch video]
Next: To raise equity funding round
beyond crowdfunding campaign.
Next: To expand the network of early adopters
globally with educational providers, corporate
clients, and user onboarding.
Next: To participate in international
blockchain, education and research
conferences to disseminate results.
Other PaaS Blockchain Projects
Track Record in EdTech
Peer-Reviewed
R&D Awards, Grants
Educational Marketplace
OS.University
Personal L&D Identity
Hiring and Recruitment
Corporate L&D
IndorseSkillchain BitDegreeOS.University
UniqueValuePropositionTraitsofExcellence
Comparison Property of PaaS
Est. May 2015
YES
YES
YES
YES
YES
YES
dedicated ed-tech center
academia, government
international & national
global; multi-vertical
formally verifiable
strategic recruitment partner
Est. Sep 2017
NO
PARTIAL
NO
YES
PARTIAL
NO
industry insiders
ICO conference award
formally verifiable
no strategic recruitment partner
Est. 2017
NO
YES
PARTIAL
own content only
NO
PARTIAL
NO
no affiliation
local hackathon
own learners only
Est. 2017
no affiliation
NO
NO
NO
NO
NO
PARTIAL
non-formal only
early adopters
Resources
● Animated Video-Explainer of the Open Source University Platform [Official]
● Video Review of the Open Source University Campaign [Independent]
● “Hacking the Job Marketplace”, Blokt
● “These Innovative Startups Take Education to the Next Level”, Observer
● “OS University Project to Launch Global Social Innovation Platform”, Crowdfund Insider

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Recognizing Knowledge and Skills in a Digital Age - WaterlooRecognizing Knowledge and Skills in a Digital Age - Waterloo
Recognizing Knowledge and Skills in a Digital Age - Waterloo
Don Presant
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Ontario Open Badges Forum - Don's Deck by Don Presant, has 96 slides with 86 views.A one day design lab to reinvent how we recognize skills across sectors in Ontario. Hosted by eCampusOntario and CanCred.ca. Presentation by Don Presant, President, Learning Agents/CanCred.ca Agenda, Open Badges 101, Examples from Elsewhere: Workforce & Open Recognition Ecosystems
Ontario Open Badges Forum - Don's DeckOntario Open Badges Forum - Don's Deck
Ontario Open Badges Forum - Don's Deck
Don Presant
96 slides86 views
Open Badges - eCampusOntario Sandbox introduction for Mohawk College by Don Presant, has 42 slides with 41 views.This document discusses open badges and their potential role in recognizing skills and competencies. It notes that technological changes are shortening the shelf life of existing skill sets, and social and emotional skills will be increasingly important. Open badges can provide clear progress markers for learners, support flexible learning pathways, and allow diverse forms of learning to be recognized. Badges offer immediate transparency and validation of skills. When implemented effectively with stakeholder engagement and a focus on learner needs, open badges can help build a skills network by making learning more visible and credentials more portable.
Open Badges -  eCampusOntario Sandbox introduction for Mohawk CollegeOpen Badges -  eCampusOntario Sandbox introduction for Mohawk College
Open Badges - eCampusOntario Sandbox introduction for Mohawk College
Don Presant
42 slides41 views
Cloud Campus by Subham Dey, has 38 slides with 174 views.We want to develop a cloud based e-learning platform that can be use from anywhere on earth. With Cloud Campus, educational institutions and organizations can train their students, employees, vendors or customers. The Cloud Campus capstone project for the Wharton Business Foundation Specialization on Coursera.
Cloud Campus Cloud Campus
Cloud Campus
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38 slides174 views
Open Badges and Agile Workforce Development by Don Presant, has 82 slides with 494 views.This document discusses open badges and agile workforce development. It provides an overview of open badges, including their history and uses. Open badges can recognize both formal and informal learning, provide portable credentials, and help learners showcase skills and achievements. The document also discusses how various organizations have implemented open badges for purposes like continuing education, professional development, and skills recognition.
Open Badges and Agile Workforce DevelopmentOpen Badges and Agile Workforce Development
Open Badges and Agile Workforce Development
Don Presant
82 slides494 views
Go To Training High Impact Online Training by Confidential, has 24 slides with 546 views.This document discusses strategies for effective live online training. It begins by noting that while online training allows for wider reach, simply converting materials online is not enough - unique strategies are needed to engage learners. Several industry reports highlight that interactive virtual classrooms are growing as they allow for learning without travel. The document emphasizes that online training requires its own specialized best practices, as it is a distinct medium. Effective online instructors focus on engagement, facilitation, and applying concepts in a workplace setting. Overall, the key is using the online format to its full advantage through strategic planning and skilled moderation.
Go To Training High Impact Online TrainingGo To Training High Impact Online Training
Go To Training High Impact Online Training
Confidential
24 slides546 views
Accenture Technology Vision - How the trends apply to higher education by accenture, has 25 slides with 2712 views.Read more about how education institutions can combine physical and digital capabilities - https://bit.ly/3Z7COmH.
Accenture Technology Vision - How the trends apply to higher education Accenture Technology Vision - How the trends apply to higher education
Accenture Technology Vision - How the trends apply to higher education
accenture
25 slides2.7K views
Accenture Technology Vision - How the trends apply to higher education by accenture, has 25 slides with 2342 views.Read more about how education institutions can combine physical and digital capabilities. https://bit.ly/44BZn4t
Accenture Technology Vision - How the trends apply to higher education Accenture Technology Vision - How the trends apply to higher education
Accenture Technology Vision - How the trends apply to higher education
accenture
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A Learner-Centred Approach for Lifelong Learning Powered by the Blockchain. M...A Learner-Centred Approach for Lifelong Learning Powered by the Blockchain. M...
A Learner-Centred Approach for Lifelong Learning Powered by the Blockchain. M...
eraser Juan José Calderón
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Higher Education Computing - Best Practices for Cloud Migration by Mighty Guides, Inc., has 17 slides with 497 views.Sponsored by Ellucian Check out all of our eBooks here - https://www.mightyguides.com/index.php/our-publications/
Higher Education Computing - Best Practices for Cloud MigrationHigher Education Computing - Best Practices for Cloud Migration
Higher Education Computing - Best Practices for Cloud Migration
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BLOCKCHAIN REVOLUTION IN EDUCATION AND LIFELONG LEARNING. Preparing for Disru... by eraser Juan José Calderón, has 46 slides with 882 views.BLOCKCHAIN REVOLUTION IN EDUCATION AND LIFELONG LEARNING Preparing for Disruption, Leading the Transformation. Don Tapscott and Alex Kaplan. IBM ha estado involucrado integralmente con la transformación de la educación desde sus primeros días. A medida que la revolución informática comenzó a funcionar en la década de 1950, IBM trabajó estrechamente con las instituciones educativas para aprovechar esas nuevas tecnologías y preparar a las personas con el conocimiento necesario para tener éxito en la revolución de la tecnología de la información. El compromiso de IBM con la aplicación de tecnologías avanzadas para revolucionar la educación continúa hasta hoy.
BLOCKCHAIN REVOLUTION IN EDUCATION AND LIFELONG LEARNING. Preparing for Disru...BLOCKCHAIN REVOLUTION IN EDUCATION AND LIFELONG LEARNING. Preparing for Disru...
BLOCKCHAIN REVOLUTION IN EDUCATION AND LIFELONG LEARNING. Preparing for Disru...
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Open Badges for Higher Education by Don Presant, has 50 slides with 25 views.This document discusses open badges and their potential uses in higher education. It begins by outlining some issues with traditional paper-based credentials, such as a lack of transparency and difficulty sharing. It then introduces open badges as a way to make learning more visible and provide granular, stackable credentials. Examples are given of how open badges have been used for skills recognition, professional development, and co-curricular learning. The document argues that open badges can fill gaps left by traditional grades and provide evidence of informal learning experiences.
Open Badges for Higher EducationOpen Badges for Higher Education
Open Badges for Higher Education
Don Presant
50 slides25 views
cln-state-of-learning-technolgy-market-study-2023422DJnscqCTgbruksrdZLR2BgNSz... by ramdhoninurbilla, has 33 slides with 24 views.cln-state-of-learning-technolgy
cln-state-of-learning-technolgy-market-study-2023422DJnscqCTgbruksrdZLR2BgNSz...cln-state-of-learning-technolgy-market-study-2023422DJnscqCTgbruksrdZLR2BgNSz...
cln-state-of-learning-technolgy-market-study-2023422DJnscqCTgbruksrdZLR2BgNSz...
ramdhoninurbilla
33 slides24 views
Oxagile by Oxagile, has 2 slides with 352 views.The document discusses Oxagile, a software development company specializing in e-learning technologies. It provides customized e-learning solutions using video streaming and real-time communication. Oxagile has successfully completed dozens of e-learning projects for clients like MIT. It focuses on innovation through investment in staff education and an R&D program focused on video-based learning and real-time communication.
OxagileOxagile
Oxagile
Oxagile
2 slides352 views
Open Badges: Trusted Currency for a Skills Ecosystem by Don Presant, has 39 slides with 257 views.This document discusses open badges and skills recognition in a changing job market. It notes that technological changes are shortening the shelf life of existing skills, and that social and emotional skills will be increasingly important. The document outlines top skills for 2020 according to the World Economic Forum, and recommendations for lifelong learning. It discusses competency-based learning and recognition of formal, non-formal and informal learning. Open badges are presented as a way to provide transparent, portable recognition of diverse forms of learning and skills through digital credentials. Examples of open badge implementations across sectors are provided.
Open Badges: Trusted Currency for a Skills EcosystemOpen Badges: Trusted Currency for a Skills Ecosystem
Open Badges: Trusted Currency for a Skills Ecosystem
Don Presant
39 slides257 views

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A discussion on maize transformation during the last two decades (2002–2022):...A discussion on maize transformation during the last two decades (2002–2022):...
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high altitude physiology and related sicknesshigh altitude physiology and related sickness
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Insilico Gen
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sairasaleem4975
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unit 5 (Medicinal chemistry-1) sem 4 second year B Pharmacyunit 5 (Medicinal chemistry-1) sem 4 second year B Pharmacy
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payalpilaji
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Sarumathi Murugesan
22 slides51 views
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plvisit
14 slides13 views
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Sarumathi Murugesan
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Earth-like planet predictor: a machine learning approach by Sérgio Sacani, has 11 slides with 802 views.Context. Searching for planets analogous to Earth in terms of mass and equilibrium temperature is currently the first step in the quest for habitable conditions outside our Solar System and, ultimately, the search for life in the universe. Future missions such as PLAnetary Transits and Oscillations of stars (PLATO) or Large Interferometer For Exoplanets (LIFE) will begin to detect and characterise these small, cold planets, dedicating significant observation time to them. Aims. The aim of this work is to predict which stars are most likely to host an Earth-like planet (ELP) to avoid blind searches, minimises detection times, and thus maximises the number of detections. Methods. Using a previous study on correlations between the presence of an ELP and the properties of its system, we trained a Random Forest to recognise and classify systems as ‘hosting an ELP’ or ‘not hosting an ELP’. The Random Forest was trained and tested on populations of synthetic planetary systems derived from the Bern model, and then applied to real observed systems. Results. The tests conducted on the machine learning (ML) model yield precision scores of up to 0.99, indicating that 99% of the systems identified by the model as having ELPs possess at least one. Among the few real observed systems that have been tested, eight have been selected as having a high probability of hosting an ELP, and a quick study of the stability of these systems confirms that the presence of an Earth-like planet within them would leave them stable. Conclusions. The excellent results obtained from the tests conducted on the ML model demonstrate its ability to recognise the typical architectures of systems with or without ELPs within populations derived from the Bern model. If we assume that the Bern model adequately describes the architecture of real systems, then such a tool can prove indispensable in the search for Earth-like planets. A similar approach could be applied to other planetary system formation models to validate those predictions.
Earth-like planet predictor: a machine learning approachEarth-like planet predictor: a machine learning approach
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Comprehensive Overview of Child Nutrition: Key Aspects of Growth, Development...
Sarumathi Murugesan
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The Future of Artificial Intelligence.pptx by ManjuGoyal4, has 6 slides with 7 views.The Future of Artificial Intelligence is poised to transform nearly every aspect of human life. AI is expected to become more powerful, intuitive, and integrated into daily tasks, from healthcare and education to transportation and entertainment. Advances in machine learning, natural language processing, and robotics will drive smarter automation and decision-making. Ethical considerations, including bias, privacy, and job displacement, will become increasingly important as AI systems gain influence. In the coming years, the focus will likely shift toward creating responsible, transparent, and human-centered AI that enhances rather than replaces human capabilities.
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Arecibo Wow! I: An Astrophysical Explanation for the Wow! Signal by Sérgio Sacani, has 22 slides with 788 views.The Ohio State University Big Ear radio telescope detected in 1977 the Wow! Signal, one of the most famous and intriguing signals of extraterrestrial origin. Characterized by its strong relative intensity and narrow bandwidth near the 1420 MHz hydrogen line, its source has never been detected again despite numerous follow-up attempts. Arecibo Wow! is a new technosignature project using archived data from the Arecibo Observatory. Here we present our first results of drift scans made between February and May 2020 at 1420 MHz. The methods, frequency, and bandwidth of these observations are similar to those used to detect the Wow! Signal. However, our observations are more sensitive, have better temporal resolution, and include polarization measurements. We report the detection of narrowband signals (∆ν ≤ 10 kHz) near the hydrogen line similar to the Wow! Signal, although twoorders of magnitude less intense and in multiple locations. Despite the similarities, these signals are easily identifiable as small interstellar clouds of cold hydrogen (Hi) in the galaxy. We hypothesize that the Wow! Signal was caused by a sudden brightening of the hydrogen line in these clouds triggered by a strong transient radiation source, such as a magnetar flare or a soft gamma repeater (SGR). A maser f lare or superradiance mechanisms can produce stimulated emission consistent with the Wow! Signal. Our hypothesis explains all observed properties of the Wow! Signal, proposes a new source of false positives in technosignature searches, and suggests that the Wow! Signal could be the first recorded event of an astronomical maser-like flare in the hydrogen line.
Arecibo Wow! I: An Astrophysical Explanation for the Wow! SignalArecibo Wow! I: An Astrophysical Explanation for the Wow! Signal
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Lesson 2a_ Plants vs animals' cells.ppt is about the difference between plant... by mariarudenisamartin1, has 9 slides with 68 views.Lesson 2a_ Plants vs animals' cells
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mariarudenisamartin1
9 slides68 views
Anti-protozoal Agent are the chemotherapeutic agent . by Kureshi Rihan Mukhtar, has 37 slides with 36 views.Anti-protozoal agents /drugs are the class of chemotherapeutic agent which are use to treat , prevent & prophylaxis of Protozoal infection caused by protozoa.
Anti-protozoal Agent are the chemotherapeutic agent .Anti-protozoal Agent are the chemotherapeutic agent .
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Kureshi Rihan Mukhtar
37 slides36 views
A discussion on maize transformation during the last two decades (2002–2022):... by Advances in Agriculture and Biology, has 10 slides with 25 views.Abstract Over the past decades, improvements in plant biotechnology have been used to produce genetically modified maize cultivars that have the potential to tolerate various stresses and as a result maize production has increased in the world. GM maize varieties having various traits i.e. disease resistance and abiotic stress tolerance denote 30% of the world’s maize cultivated area. Genetic transformation in maize has been successfully achieved for the development of trait specific genotypes. Traditionally, some barriers in maize tolerance to certain traits still exist that can never be accomplished and to fill this gap, maize biotechnology has developed and commercialized GM maize varieties as an alternative to conventional breeding methods. Though various stresses i.e. biotic and abiotic can affect maize production but among other abiotic stresses, drought is a major issue that directly disrupts maize yield and productivity across the globe. Drought tolerant gene isolation and their transformation into maize are the key steps towards technological improvements. Agrobacterium mediated gene transformation in maize is widely used for the stable integration and transient expression pattern through optimized tissue culture protocols. This review mainly represents updated success in gene transformation in maize in the last two decades in terms of achievements, their uses and future prospects of GM maize cultivars. © 2023 The Author(s) Keywords: Gene transformation, Genotypes, GM maize, Optimized protocols, Prospects, Traits Citation: Zia, M. A., Shoukat, S., Arif, M., Ahmad, B., Nawaz, A. F., Bahadur, A., Zakria, M., Khan, H. S., Khan, S., Suleman, M., & Ali, S. (2023). A discussion on maize transformation during the last two decades (2002–2022): An update on present trends and future prospects. Advances in Agriculture and Biology, 6(1), 1-10. Introduction General importance of maize genome under drought stress Zea mays is diploid having 2n = 20, and x = 10. Thus, 10 chromosomes are present in the maize genome. The maize genome also contains jumping genes, called transposons. Transposons cause many genetic changes in the genome of maize, which can be beneficial in the field of corn production. According to the maize genome annotations, there are 39000–42000 protein coding genes representing as a whole about 800–1700 genes taking part in the selection of domestication. Further improvement could be possible to find more related genes in maize through NGS and other related advanced biotechnology applications (Springer et al., 2018; Sun et al., 2018; Yang et al., 2019a). Maize after wheat and rice is the third most important cereal crop in the world (Batool et al., 2019; Noor et al., 2021; Aslam et al., 2021; Iqbal et al., 2022; Raza et al., 2023). Globally maize is a major crop but some abiotic stress factors like drought had significantly affected their yield (Campos et al., 2004). Drought stress losses 20–25% of maize production
A discussion on maize transformation during the last two decades (2002–2022):...A discussion on maize transformation during the last two decades (2002–2022):...
A discussion on maize transformation during the last two decades (2002–2022):...
Advances in Agriculture and Biology
10 slides25 views
Telescópio James Webb Revela Evidências de Buraco Negro no Coração da Galáxia... by Sérgio Sacani, has 10 slides with 357 views.Wereport the first detections of [Ne v] λ14.3 μm and [NeVI] λ7.7μm at high confidence (S/N 6) in the nuclear region of the nearby spiral galaxy M83. Emission-line maps of these high-ionization lines show several compact structures. Specifically, the [Ne VI] emission is located at 140 pc from the optical nucleus and appears as a point source of size 18pc (FWHM  0. 8). We investigate the possible source of this extreme emission through comparison with photoionization models and ancillary data. We find that photoionization models of fast radiative shocks are able to reproduce the observed high-excitation emission-line fluxes only for the lowest preshock density available in the library, n = 0.01 cm−3. Additionally, tailored active galactic nucleus (AGN) photoionization models assuming a two-zone structure are compatible with the observed high-ionization fluxes. Our simple AGN model shows that the emission at the location of the [Ne VI] source can be the result of a cloud being ionized by the radiation cone of an AGN. We stress, however, that to definitively confirm an AGN as the main source of the observed emission, more complex modeling accounting for different geometries is required. Previously known as a purely starburst system, these new findings of the nuclear region of M83 will require a reassessment of its nature and of objects similar to it, particularly now that we have access to the unparalleled infrared sensitivity and spatial resolution of the James Webb Space Telescope.
Telescópio James Webb Revela Evidências de Buraco Negro no Coração da Galáxia...Telescópio James Webb Revela Evidências de Buraco Negro no Coração da Galáxia...
Telescópio James Webb Revela Evidências de Buraco Negro no Coração da Galáxia...
Sérgio Sacani
10 slides357 views
Nutritional Care During Febrile Episodes and Infections by Sarumathi Murugesan, has 22 slides with 51 views.This comprehensive PowerPoint presentation explores the critical role of nutrition in the management of febrile conditions and infections. The presentation is designed for students, healthcare professionals, dietitians, nursing trainees, and educators seeking to understand the dietary strategies that support healing and recovery during illness. Fever and infections place a significant metabolic burden on the body. They not only increase the basal metabolic rate but also accelerate the breakdown of protein and fat stores, often leading to nutrient deficiencies, dehydration, and loss of appetite. In such conditions, proper nutrition plays a key therapeutic role. The content in this PPT is structured to provide evidence-based dietary guidelines that help manage fever-related complications and improve patient outcomes. This presentation is ideal for classroom teaching, webinars, clinical nutrition workshops, and self-study for students preparing for exams like UGC NET, nursing courses, or dietetics programs. It integrates scientific understanding with practical dietary planning and serves as a ready-to-use resource for academic and clinical settings. The content is based on reliable sources such as: Food Science by B. Srilakshmi Krause’s Food & the Nutrition Care Process WHO Guidelines on Nutrition During Infection Mahan & Escott-Stump: Krause’s Medical Nutrition Therapy
Nutritional Care During Febrile Episodes and InfectionsNutritional Care During Febrile Episodes and Infections
Nutritional Care During Febrile Episodes and Infections
Sarumathi Murugesan
22 slides51 views
Earth-like planet predictor: a machine learning approach by Sérgio Sacani, has 11 slides with 802 views.Context. Searching for planets analogous to Earth in terms of mass and equilibrium temperature is currently the first step in the quest for habitable conditions outside our Solar System and, ultimately, the search for life in the universe. Future missions such as PLAnetary Transits and Oscillations of stars (PLATO) or Large Interferometer For Exoplanets (LIFE) will begin to detect and characterise these small, cold planets, dedicating significant observation time to them. Aims. The aim of this work is to predict which stars are most likely to host an Earth-like planet (ELP) to avoid blind searches, minimises detection times, and thus maximises the number of detections. Methods. Using a previous study on correlations between the presence of an ELP and the properties of its system, we trained a Random Forest to recognise and classify systems as ‘hosting an ELP’ or ‘not hosting an ELP’. The Random Forest was trained and tested on populations of synthetic planetary systems derived from the Bern model, and then applied to real observed systems. Results. The tests conducted on the machine learning (ML) model yield precision scores of up to 0.99, indicating that 99% of the systems identified by the model as having ELPs possess at least one. Among the few real observed systems that have been tested, eight have been selected as having a high probability of hosting an ELP, and a quick study of the stability of these systems confirms that the presence of an Earth-like planet within them would leave them stable. Conclusions. The excellent results obtained from the tests conducted on the ML model demonstrate its ability to recognise the typical architectures of systems with or without ELPs within populations derived from the Bern model. If we assume that the Bern model adequately describes the architecture of real systems, then such a tool can prove indispensable in the search for Earth-like planets. A similar approach could be applied to other planetary system formation models to validate those predictions.
Earth-like planet predictor: a machine learning approachEarth-like planet predictor: a machine learning approach
Earth-like planet predictor: a machine learning approach
Sérgio Sacani
11 slides802 views
Arecibo Wow! I: An Astrophysical Explanation for the Wow! Signal by Sérgio Sacani, has 22 slides with 788 views.The Ohio State University Big Ear radio telescope detected in 1977 the Wow! Signal, one of the most famous and intriguing signals of extraterrestrial origin. Characterized by its strong relative intensity and narrow bandwidth near the 1420 MHz hydrogen line, its source has never been detected again despite numerous follow-up attempts. Arecibo Wow! is a new technosignature project using archived data from the Arecibo Observatory. Here we present our first results of drift scans made between February and May 2020 at 1420 MHz. The methods, frequency, and bandwidth of these observations are similar to those used to detect the Wow! Signal. However, our observations are more sensitive, have better temporal resolution, and include polarization measurements. We report the detection of narrowband signals (∆ν ≤ 10 kHz) near the hydrogen line similar to the Wow! Signal, although twoorders of magnitude less intense and in multiple locations. Despite the similarities, these signals are easily identifiable as small interstellar clouds of cold hydrogen (Hi) in the galaxy. We hypothesize that the Wow! Signal was caused by a sudden brightening of the hydrogen line in these clouds triggered by a strong transient radiation source, such as a magnetar flare or a soft gamma repeater (SGR). A maser f lare or superradiance mechanisms can produce stimulated emission consistent with the Wow! Signal. Our hypothesis explains all observed properties of the Wow! Signal, proposes a new source of false positives in technosignature searches, and suggests that the Wow! Signal could be the first recorded event of an astronomical maser-like flare in the hydrogen line.
Arecibo Wow! I: An Astrophysical Explanation for the Wow! SignalArecibo Wow! I: An Astrophysical Explanation for the Wow! Signal
Arecibo Wow! I: An Astrophysical Explanation for the Wow! Signal
Sérgio Sacani
22 slides788 views

Blockchain for Education and Professional Development

  • 1. Blockchain in Learning & Career Development Hristian Daskalov I Co-Founder of OS.UNIVERSITY Ada. National College for Digital Skills April 22nd I 14:00 Is the Future of Our Educational & Professional Identity on the Chain?
  • 2. About Me Hristian Daskalov Project Lead  Doctoral Candidate at the Technical University (Sofia) Open Source Project Stakeholder Management  Co-Founder of the Center for Open Science & Business Development, Faculty of Management  Policy Expert at Brain Workshop Institute  Former Advisor to the Ministry of Economy, Research & Development Specialization Strategy  Former Member of the Expert Group on the Development of OPNOIR 2014/20 Investment Program  Former Strategy & Transformation Expert at Hewlett Packard Enterprise
  • 3. Brought to you by...
  • 4. A strong social mission Youth Speak Forum Riga, Latvia AIESEC Leadership Experience Sao Paulo, Brazil
  • 5. A research-driven agenda Riga Technical University Republic of Latvia, Spring 2017 Brno Technical University Czech Republic, Autumn 2017
  • 6. Find at www.os.university/book Academia 4.0
  • 7. Find at www.os.university/book Industry 4.0
  • 8. 1. Introduction 2. Platform Overview 3. Problems & Solutions 4. Market Potential 5. Benefits & Use Cases  Academia  Businesses  Learners Contents 6. Technology Stack 7. State of Development 8. Community Building 9. Project Timeline 10. Meet the Team  Core Development  Advisors & Ambassadors 11. Additional Materials  Executive Summary  Resources
  • 9. To Chain or not to Chain? Can you articulate a real business problem that needs solving? Could it have it been fixed before blockchains? Do you need a database? Do many people need to write to it? Are writers known and trusted? Do you want to rely on a trusted third party? However, another DLT solution might be better, let’s see. Do the benefits justify the cost of the adoption? Do you need to control read and write access? Do you value censorship resistance and immutability over efficiency? Are writers’ interests unified? Will all participants need to upgrade and replace systems? You probably don’t need a blockchain. You might need a blockchain... Y Y Y N N N N Y Y N Y N N N Y Y Y N You most probably need a public blockchain! N Y Y Is consensus determined by multiple entities? N Coordinate those entities into a consortium. You might need a private distributed ledger. Choose the best blockchain or DLT [hybrid] Y N
  • 10. ‘Internet of Things’ era is about collecting, connecting, and making sense of data. We need a ‘Diploma of things’ mechanism to collect, connect and make sense of learning. Therefore the distributed education and career development ledger is what we work on at www.OS.UNIVERSITY.
  • 12. EC JRC Research Findings The recent report by the Joint Research Center (JRC) of the European Commission describes case studies of implementations from various players, but each of these implementations is in a piloting phase. “Even from these early pilots, it is possible to suggest that blockchain has the potential to disrupt the education market by loosening the control current players have over this market in line with open education’s sharing and transparency principles and by empowering learners.” This book highlights OS.UNIVERSITY as one of the earliest and most prominent pilots, containing early research,
  • 13. Single institution use case - authentication of certificates I Groups of institutions - shared repositories of accomplishments and shared business models I National database - state-regulated qualifications I International database – credits’ transfer I Global assessment I Reliable open badges, MOOCs achievements I Smarter Hiring I Continuing Professional Development – poorly tracked, not mobile, underutilized I … Use Cases Argentina pilot Cyprus’ pilot
  • 14. Photo credits: Learning Machine Blockchain-based Educational & Professional Identity “We envision a world in which the awarding and validation of qualifications no longer occur exclusively under the management of an education institution or an employer and individual students, teachers, and peers take more ownership of the learning experience and its outcomes (...)" Prof. John Domingue, Director of Open University’s Knowledge Media Institute
  • 15. Status Quo  Half of workers encountered lies in colleagues’ resumes.  1/3rd of applicants removed due to false information.  30+ days per candidate on reviewing experience, competences.  Authenticity;  Decentralizing Trust;  Less Bureaucracy;  Direct interaction;  Security. Why Blockchain? Millions of pounds, months spent by institutions and individuals on verifying alumni credentials on request.
  • 16. OS.UNIVERSITY Overview The OS.University DApp bridges the gap between businesses and education through blockchain [used for validating and verifying learners’ credentials] and smart contracts [managing content purchases and other marketplace transactions, as well as HR processes]. We apply open source technologies and principles of collaboration to re-engineer the current-state educational model by building a system to enable smarter transactions of information & value through institutional, national borders.
  • 17. 19 OS.University’s platform provides a searchable catalogue of a broad range of courses and programs. Global Catalogue of Courses Businesses can reach out to content providers through a marketplace, powered by reputation system. An “Amazon for Learning” without “Amazon”, i.e. the middleman. Tokenized Marketplace Access to a new, higher quality educational model with option to curate and customize programs, optimised for results. Flexibility & Modularity Learner’s profile contains verified educational, work experience, skills & qualifications track record, Credentials Wallet Lack of organization in the online ocean of education and development opportunities. Dispersion of Content A decades-old problem that can be solved by information coordination, trust, and smart contracts between the parties. Business & Education Gap Universities lack modernization & respond slowly to job market needs; MOOCs gain popularity, but lack credibility. Strained Existing Model Issues with fake diplomas, certifications, unverified CVs and skillset claims. Trust & Transparency Problems & Solutions
  • 18. Market Potential B2L B2A L2A According to Forbes, the online education market alone is worth over USD 165 billion (2016). Projected to reach USD 240+ billion by 2023. According to U.S. Bureau of Labor Statistics up to 24% of workforce change jobs annually. In a recruitment market of USD 200+ billion, blockchain-verified profiles can cut hiring period in half. According to “Training Industry”, in 2017, corporations estimated spending was around USD 360+ billion – insourced and outsourced corporate training initiatives. According to “Academia 4.0 – University on the Blockchain” research, the arising ‘’learning on demand” industry would be best managed though smart contracts, erasing the borders between higher and further education. Educational Marketplace Personal Identity, Corporate Recruitment Corporate L&D
  • 19. Academia Benefits Universities & MOOCs Generate opportunities by featuring content Disclaimer: logos of service providers are for illustrational purposes and do not represent already completed integrations or signed partnerships. Integration Benefits Leaner, faster, transparent and cost- effective credentialing model Competitive market advantage, achieved through the global blockchain-enhanced learning and development marketplace Higher learner retention and engagement by gamifying the learning experiences through smart contracts
  • 20. Businesses Benefits Recruitment & HR Disclaimer: logos of service providers are for illustrational purposes and do not represent already completed integrations or signed partnerships. Integration Benefits Instant access to a global pool of talent with traceable credentials, enabling smarter recruitment Performance-based hiring and career advancement, enabled by smart contracts, incentivized by rewardsand cost-effective credentials model Global opportunities for corporate learning and development on demand without scalability constraints LMS Employee Rewards Employee Recognition Hire smarter and faster; engage employees
  • 21. Learners Benefits Students & Employees Disclaimer: logos of service providers are for illustrational purposes and do not represent already completed integrations or signed partnerships. Adoption Benefits Indisputable accomplishments and achievements - validated and verified through the blockchain, showcased worldwide Customized educational opportunities, based on distributed learning pathways, curated by Academia and businesses Exclusive employment and professional development options, based to sophisticated matching algorithms CVsCertificates Recommendations Traineeship Validate accomplishments; verify achievements
  • 22. These were just some of the smart contracts we start with. Beyond them, the system has the potential to eliminate the friction and costs of various current third-party intermediaries when considering learners records management and other personal identifiable information or sensitive data, whether it comes to education or career development. There are undisputable promises of improved data integrity, reduced transaction costs, decentralization and disintermediation of trust. By being able to coordinate, store, and share learners’ events, stakeholders essentially alleviate unnecessary and duplicate services, which lowers cost and increases security.
  • 23. Technology Stack
  • 24. Front-end
  • 25. Back-end
  • 26. State of Development 78%UI/UX 70%Front-End 61%Blockchain & Smart Contracts 47%Business Development & Partnerships 14%Onboarding Users Alpha Release The first release of the OS.University DApp is scheduled for early June. Stats from the current progress report can be found below:
  • 27. Community Building PILOT INTEGRATORS ACADEMIA LEARNERS BUSINESSES Educational Marketplace University of Insurance & Finance National Students Union; Association of Bulgarian Leaders & Entrepreneurs; Bulgarian Association for Management of People [Featured in leading university conferences and journals in England, Czech Republic, Latvia, Bulgaria] IO Era Ltd; ReChained Ltd Self-Sovereign L&D Identity Technical University of Sofia Job Tiger; Jamba Hiring and Recruitment Mandalay International University Job Tiger Recruitment; Investor Media Group Corporate Learning & Development Brain Workshop Institute Cobden Partners; Navigato Each of our pilot integrators has an assigned key account manager and a represantative at the advisery/ambassadors’ board to assure smooth implementation from system and business perspectives. Upon initial integrations, platform onboarding of organizations and end users will be open to all (platform-as-a-service). Custom integrations and support services will be provided on demand to complement the open PaaS model.
  • 28. Phase 1: Scientific Research and Concept Validation Phase 3: Pilot Implementations and Market Penetration Phase 2: Early Prototyping and Alfa Development Phase 5: Revenue Generating Beta Release Phase 4: EDU Token Circulation and Exchange H2 2015 2016 H1 2017 H2 2017 H1 2018 H2 2018 2019 2020 The OS University project dates back to 2015, starting with a solid academic research. A proof-of-concept phase was initiated, along with corporate partners from Bulgarian industry and software development sectors, resulting in early versions of system's architecture and design. Today there is a dedicated research center at TU Sofia, turning OS.University into world’s first academia-powered crypto crowdfunded project. Project Timeline Technical University Hewlett Packard Enterprise AIESEC Ernst & Young Ministry of Education & Science Bulgarian Information Technology Association Cobden Partners Brain Workshop Institute University of Insurance & Finance Job Tiger Job Tiger Recruitment Investor Media Group National Students Union A truly global ecosystem of educators, learners, and business is expanding on the distributed blockchains beyond Ethereum.European Commission Jamba
  • 29. Meet the Team We are coming from various backgrounds - academic, entrepreneur, development - from large tech companies to startups. Different, yet united, the Open Source University team forms a unique blend of technology R&D and business development talent.
  • 30. Advisors & Ambassadors
  • 31.  Join Our Team – Become an Ambassador  Join the Project – Become an Early Adopter  Jon the Cause – Share Your Ideas on the Future of Education and Jobs  Stay Curious. Dream Big. Never Stop Learning “The best way to predict your future is to create it” Abraham Lincoln
  • 32. hello@os.university General: hristian.daskalov@os.university Me: WWW.OS.UNIVERSITY
  • 33. Additional Information Many additional materials are collected and made available during the process of building a Proof of Concept. Research materials has been peer-reviewed by the European scientific community and featured in leading academic journals. From corporate and social perspective, the R&D project has been recognized by international organizations as the innovative solution to enable better information coordination relationships.
  • 34. Executive Summary LEGAL & FINANCIALS BUSINESS OPERATIONS MARKETING & COMMUNITY Open and growing consortium of London and Sofia - based companies and universities. An international team of 30+ academic and corporate professionals, contributing from 10 countries on 3 continents, Organically-grown community of 65,000 supporters throughout all social networks. [join Telegram] Rechained Ltd. (Republic of Bulgaria) is the leading partner. An in-house team of 7+ experienced technology professionals and founders, dedicated on the project. The media group behind Bloomberg TV in Bulgaria as a strategic media partner and early adopter. [watch video] USD 450,000 + raised in angel investments, crypto crowdfunding, public and research grants. 3 years of successful track-record from early research, to concept validation, to prototyping, development and early implementation. Frist University crypto-crowdfunding campaign. Partnership case-studies with trusted companies [watch video] Next: To raise equity funding round beyond crowdfunding campaign. Next: To expand the network of early adopters globally with educational providers, corporate clients, and user onboarding. Next: To participate in international blockchain, education and research conferences to disseminate results.
  • 35. Other PaaS Blockchain Projects Track Record in EdTech Peer-Reviewed R&D Awards, Grants Educational Marketplace OS.University Personal L&D Identity Hiring and Recruitment Corporate L&D IndorseSkillchain BitDegreeOS.University UniqueValuePropositionTraitsofExcellence Comparison Property of PaaS Est. May 2015 YES YES YES YES YES YES dedicated ed-tech center academia, government international & national global; multi-vertical formally verifiable strategic recruitment partner Est. Sep 2017 NO PARTIAL NO YES PARTIAL NO industry insiders ICO conference award formally verifiable no strategic recruitment partner Est. 2017 NO YES PARTIAL own content only NO PARTIAL NO no affiliation local hackathon own learners only Est. 2017 no affiliation NO NO NO NO NO PARTIAL non-formal only early adopters
  • 36. Resources ● Animated Video-Explainer of the Open Source University Platform [Official] ● Video Review of the Open Source University Campaign [Independent] ● “Hacking the Job Marketplace”, Blokt ● “These Innovative Startups Take Education to the Next Level”, Observer ● “OS University Project to Launch Global Social Innovation Platform”, Crowdfund Insider