This document is a series of slides from a presentation by Sam Wouters on blockchains and bitcoin. It discusses the key differences between open and private blockchains, how blockchains work through decentralization, immutability and other principles, and potential applications of blockchain technology beyond digital currency, including for finance, supply chains, identity and more. It argues that open blockchains have advantages over private blockchains in fostering innovation, though private blockchains may have some uses for internal networks.
2. samwouters.com
Speaker on Bitcoin & Blockchain
Digital Transformation Consultant
at Duval Union Consulting
WWW
sam.wouters@duvalunion.com
Sam Wouters
@sdwouters
3. ‣ We are a digital consulting company.
‣ Founded in 2009 as DearMedia.
‣ We work for large European clients.
‣ We have a strong vision on the
impact of digital and act accordingly.
‣ We are advisors, writers, coaches
and entrepreneurs.
7. Media that predicted The Death of Bitcoin
bitcoinobituaries.com
Deaths by publication:
DailyPaulCNNCity A.M.ChronBroken Librarian BTC Feed Business Insider
BloombergAbout.com Acton BizNews.comArduino TronicapenwarrAOL
Financial TimesFester’s DenDavid Seaman FortuneForbesFool.com Fusion
Gizmodo Australia IEX International Business Times Javamazon Moneygeek
MyBroadBandMother Jones News.com.au NewStatesman NY Mag OUI Share
The New York TimesThe KernelThe Calculating InvestorStreet Insider
Sputnik NewsPYMNTS.com Reuters Robert Nielsen Salon Seeking Alpha
The Underground EconomistThe Telegraph The Washington Post The Weekly Standard
USA Today Valley News VICE News Wired YahooWall Street Daily
8. @SDWOUTERS
Bitcoin has been running non-stop for 7+ years
160M 434K $150M $105B
Transactions Blocks in the
blockchain
in transactions per
day currently
Transferred over
the blockchain
466M 16M 11B 160K
bitcoins transferred
over the blockchain
Amount of Bitcoins
that currently exist
Value of all
bitcoins
companies (indirectly)
accept bitcoins
10. @SDWOUTERS
Bitcoin is a way to digitally
transfer ownership
without a middleman
The blockchain is a
database that records
ownership throughout time
What’s the difference?
11. A 5 minute explanation won’t make
you understand why they matter
36. @SDWOUTERS
Problems Solutions
Central point of failure Decentralized network
Expensive to secure Shared security cost
Trust who is in charge Trust a fixed set of rules
Centralized
All organizations
37. @SDWOUTERS
Problems Solutions
Central point of failure Decentralized network
Expensive to secure Shared security cost
Trust who is in charge Trust a fixed set of rules
Decentralized
The Internet & Bitcoin
Centralized
All organizations
38. The Bitcoin network is 20.000 times stronger
than the top 500 supercomputers in the world
Blockchains are secured by computing power
from people and companies all over the world
@SDWOUTERS
69. samwouters.com
Speaker on Bitcoin & Blockchain
Digital Transformation Consultant
at Duval Union Consulting
sam.wouters@duvalunion.com
Sam Wouters
@sdwouters
WWW