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Blockchains – Disruptive technology or just another hype?

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OMM TECHtalk #3
www.tech-talks.eu

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Blockchains – Disruptive technology or just another hype?

  1. 1. OMM Solutions TECHtalk #3 1< OMM Solutions GmbH >31.05.2017 www.tech-talks.eu
  2. 2. Einmal im Monat ist TECHtalk Zeit! First come first served! < OMM Solutions GmbH > 2
  3. 3. Talk: Blockchains – Disruptive technology or just another hype? Speaker: Andreas Enenkel 3< OMM Solutions GmbH >
  4. 4. What are we talking about? Terminology < OMM Solutions GmbH > 4 Blockchain Bitcoin Proof of Work Cryptocurrency Distributed Ledger Consensus algorithm Ethereum Smart Contracts 31.05.2017
  5. 5. How did we get here? • 2009 Bitcoin • 2010 Namecoin • 2011 Litecoin • 2013 Ripple • 2015 Ethereum How it all started < OMM Solutions GmbH > 531.05.2017
  6. 6. Transaction validation Validation of Transactions • Valid and well formed (sender, receiver, payload, state, …) • Transaction costs are covered Validation of Blocks • Previous Block referenced exists and is valid • Timestamp comparison • Block number and transaction root validation „Proof of Work“ • Who, when and why validates Transactions? • Consensus algorithm • No entry barriers • Computing power ~ weight of node < OMM Solutions GmbH > 631.05.2017
  7. 7. A “Protocol for building decentralized applications” • ETH as currency • Programming language for smart contracts • Extended transactions • Improved algorithms (compared to bitcoin protocol) • Open source and non-profit Ethereum < OMM Solutions GmbH > 731.05.2017
  8. 8. • “Secure deposits that get returned to the payer if conditions are met (or not)” • “Money that cannot be spent unless a certain number of users agree to spending it” • “Money that can only be spent after producing external data that satisfies rules set in the script” • Domain Names • Crypto Currencies • Insurance • Voting • Decentralized Autonomous Organizations • Crowdfunding • Supply Chain Trying to find, why we have Blockchains Use Cases < OMM Solutions GmbH > 831.05.2017
  9. 9. • Stale Block Mining • Validation in closed networks • Physical restrictions (speed, storage) • Market value • … Where are all these wonderful Blockchain applications? Problems and Concerns < OMM Solutions GmbH > 931.05.2017
  10. 10. • https://github.com/ethereum/wiki/wiki/White-Paper • https://dapps.ethercasts.com/ • https://auth0.com/blog/an-introduction-to-ethereum-and-smart-contracts/ • https://auth0.com/blog/an-introduction-to-ethereum-and-smart-contracts-part-2/ Want to learn more? References < OMM Solutions GmbH > 1031.05.2017
  11. 11. Vielen Dank für Eure Aufmerksamkeit! 11< OMM Solutions GmbH >
  12. 12. OMM Solutions GmbH Vor dem Lauch 4 70567 Stuttgart Germany Fragen oder Interesse? 12< OMM Solutions GmbH > Ihr persönlicher Ansprechpartner Andreas Enenkel Software Engineer OMM Solutions GmbH Vor dem Lauch 4 70567 Stuttgart Germany ae@omm-solutions.de +49 (0)172 76 15 640
  13. 13. 13< OMM Solutions GmbH > www.omm-solutions.de OMM Solutions GmbH Vor dem Lauch 4 70567 Stuttgart Geschäftsführer Martin Allmendinger Malte Horstmann Olaf Horstmann Kontakt Telefon: +49 711 6747 051-0 E-Mail: info@omm-solutions.de Umsatzsteuer-ID: DE295716572 Sitz der Gesellschaft: Stuttgart Amtsgericht Stuttgart, HRB 749562 Impressum

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