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Intro to blockchain technology

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Decentralize all the things
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Intro to blockchain technology

  1. 1. Blockchain Technology Intro by Galin Dinkov https://www.linkedin.com/in/galindinkov/ 17 Oct 2017
  2. 2. About CryptoVarna CryptoVarna is a group of people interested in Blockchain technologies, cryptocurrencies, ICOs and the possibilities they provide. It is an open group with members specialized in different fields, from informatics to law. Facebook Group: https://www.facebook.com/groups/123317971755498 Meetup.com: https://www.meetup.com/preview/CryptoVarna-Blockchains-Bitcoins-Ethereum Slack: https://cryptovarna.slack.com/join/shared_invite/enQtMjYwNDU4OTQxNjIwLTVmOGM4MDEyMjgxYWVlZDRiYmI0OTI4ZGEwMzM3N2Q wMzkyYzQ2OTFhOTgzZTAzODkyY2EyNjJlZDJhODE4ZmE
  3. 3. About VarnaLab VarnaLab is an independent hacker’s space where people with common interest can meet, work and drink beer. The spheres of interest include but not limited to: software technologies, hardware and electronics, art and design, photography, gaming and more. It is part of huge network of 1600 hackerspaces worldwide. VarnaLab is a non-profit organization and is free for everyone. It is financially supported by its members by a non-fixed donations. Facebook Page: https://www.facebook.com/varnalab/ Web: https://varnalab.org Trello: https://trello.com/varnalab Github: https://github.com/VarnaLab
  4. 4. What is the Blockchain?
  5. 5. The Blockchain is… Data Structure
  6. 6. The Blockchain is… Distributed
  7. 7. The Blockchain is… Immutable
  8. 8. The Blockchain is… Secure
  9. 9. The Blockchain is… Anonymous (Pseudo)
  10. 10. The Blockchain is… Autonomous
  11. 11. The Blockchain is… Public or Private
  12. 12. Genesis
  13. 13. Before Bitcoin ● Libertarianism ● Evolvement of cryptography ● Cypherpunk ● Online payments ● Hashcash, b-money, Bit Gold ● Financial crises
  14. 14. Satoshi Nakamoto
  15. 15. White Paper White paper: https://bitcoin.org/bitcoin.pdf
  16. 16. Who is? Hal Finney 1st Bitcoin Transaction PGP Employee Nick Szabo Bit Gold Smart Contracts Wei Dai b-money Crypto++ Dorian Nakamoto Finney’s neighbour
  17. 17. Who is? Craig Wright Claims to be Satoshi Scientists think he’s a scammer
  18. 18. What Can Be Used For?
  19. 19. Cryptocurrency ● No central authority ● Faster* and cheaper* transactions ● Anonymous* ● Transparent ● Limited supply
  20. 20. Distributed File Storage ● Distributed ● Cheaper ● More secure ● Everyone can earn ● Filecoin made ICO for $200m+ Storj.io: https://vimeo.com/102119715
  21. 21. Digital Identity ● Easier to use ● Better privacy ● Safer against data breach Interesting: Password Pill e-Estonia Civic: https://youtu.be/2XDGX41nr1o
  22. 22. Voting ● Saves time ● Everyone can vote from everywhere, anytime ● More secure! ● Immediate and transparent results ● Anonymous ● Saves millions
  23. 23. Smart Contracts ● Rules in a form of a program ● Could replace the notaries ● Cannot be modified ● Validated and guaranteed by thousands of independent nodes instead of the court or the government ● Smart property
  24. 24. Distributed Autonomous Organization
  25. 25. Crowdfunding (ICO)
  26. 26. Public Records ● No papers! ● Secure ● Transparent ● Cheaper ● Land/Property Registry of Russia, Georgia, Sweden, Dubai
  27. 27. Copyrights ● Can prove the date and author of any creation ● Lot cheaper and easier to use and verify
  28. 28. IoT ● Secure communication between IoT devices ● Sensors storing tamper-proof data ● Supply chains IBM Blockchain: https://youtu.be/ZKscEx2lO-4
  29. 29. Car Leasing IBM Demo: https://youtu.be/IgNfoQQ5Reg
  30. 30. Final https://www.linkedin.com/in/galindinkov/ by Galin Dinkov

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