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Introduccion a blockchain y Smart Contracts

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Introduccion a blockchain y Smart Contracts

  1. 1. Introducción a Blockchain y Smart Contracts Fernando Ontiveros Lira feronti@gmail.com
  2. 2. ¿Blockchain?
  3. 3. 1. ¿Blockchain? ¿Por qué Blockchain tiene tanta relevancia? . ➔ Buzzword desde el 2016 La palabra tecnológica de moda desde el 2016 ➔ Nuevos lenguajes de programación 5000 programadores a nivel mundial, 20000 que hicieron una DAPP ➔ Disruptivo nuevas capas tecnológicas que reconfiguran el Internet y amenazan los negocios con servicios centralizados
  4. 4. En esencia blockchain inyecta confianza dentro de la red, quitando intermediarios y creando una ola disruptiva
  5. 5. Confianza entre desconocidos (Bitcoin, al igual que la mayoría de las crypto-monedas, permite transacciones de valores y dinero a nivel mundial entre personas y empresas que antes no se conocian)
  6. 6. Transferir dinero utilizando una cripto-moneda cuesta menos de un dólar a comparación de las comisiones bancarias que cobran un mínimo de 15 dólares y es porcentual al monto enviado
  7. 7. ➔ Metafóricamente, Blockchains son la computadora que nos se puede parar. ➔ Una vez iniciados, nunca serán detenidos y ofrecen una capacidad increíble de adaptarse y recuperarse. ➔ una opción para ejecutar aplicaciones con servicios descentralizados
  8. 8. pero … blockchain no solo es Bitcoin Los 25 top startups de blockchain, no relacionados con casos de uso financiero del año 2015 http://blog.ventureradar.com/2015/09/08/top-25-non-financial-blockchain-startups
  9. 9. Bitcoin y otros protocolos son el quinto protocolo, el protocolo del valor(capa económica)
  10. 10. The Four Layers of the Internet Protocol ● The Link Layer puts packets on a wire. ● The Internet Layer routes them across networks. ● The Transport Layer persists communication across a given conversation. ● And the Application Layer delivers entire documents and applications.
  11. 11. 2. Qué es blockchain
  12. 12. Un blockchain es una base de datos distribuida que mantiene una lista ordenada de registros llamados bloques que continuamente va creciendo. Cada bloque contiene una fecha (timestamp) y un link (enlace) al bloque anterior
  13. 13. Como su nombre indica, es una cadena de bloques Cada bloque está enlazado criptográficamente al anterior bloque
  14. 14. Cada bloque contiene cero o más transacciones Cada bloque está enlazado criptográficamente al anterior bloque
  15. 15. Un bloque se genera cada 10 minutos en bitcoin
  16. 16. Un bloque se genera cada 15 segundos en ethereum
  17. 17. Es un libro público (public ledger) que todos tienen acceso, pero que no hay una persona individual que lo controle
  18. 18. Blockchain es una base de datos distribuida, cada nodo tiene la misma copia de la base de datos.
  19. 19. Las cuentas son claves públicas
  20. 20. Es criptográficamente seguro pero fundamentalmente abierto
  21. 21. Por diseño, los blockchains son resistentes a la modificación de sus datos, una vez registrado las transacciones en un bloque, estos nos pueden ser alterados retroactivamente Base de datos Inmutable
  22. 22. Permite a las compañías y a personas individuales colaborar mutuamente con un grado de confianza y transparencia sin precedente
  23. 23. El ledger público, puede ser programado para que ejecute o dispare transacciones automáticamente (Smart contracts)
  24. 24. 4. Mineria (blockchain) y consenso
  25. 25. _
  26. 26. _
  27. 27. _
  28. 28. Blockchain públicos - Bitcoin - Ethereum Blockchain privados - Cualquier red de nodos ethereum
  29. 29. 5. Casos de uso
  30. 30. Blockchains son seguros por diseño y un ejemplo de sistemas de computación distribuida con una alta tolerancia a “bizantine faults” De esta forma se obtiene consenso en sistemas descentralizados Esto hace a blockchain ideal para :
  31. 31. Registro de eventos Registros medicos Administración de identidad Procesamiento de transacciones y prueba de procedencia (provenance) Ofrece el potencial de quitar la intermediación en los procesos con una vasta repercusión en cómo los negocios a nivel mundial son realizados
  32. 32. Primero, blockchain tiene características polimórficas y su aplicación resultará en una multiplicidad de efectos Segundo, no deberíamos preguntarnos qué problemas resuelve blockchain, porque nos dará una visión reducida de su potencial
  33. 33. 6. Blockchain explorers
  34. 34. https://blockexplorer.com/
  35. 35. https://etherscan.io/
  36. 36. https://etherchain.org/
  37. 37. https://github.com/gobitfly/etherchain-light
  38. 38. https://gastracker.io/
  39. 39. 7. Smart contracts
  40. 40. Crypto currency es el “Blockchain 1.0” Smart Contracts Blockchain 2.0
  41. 41. http://dapps.ethercasts.com/
  42. 42. x. Conclusiones ➔ Intercambio de valores sin intermediarios ➔ Miles de blockchains privados ➔ 2017 año de los proyectos pilotos, 2018 proyectos en producción ➔ Todavía,No existe un ganador
  43. 43. Anticipa un futuro de miles de blockchains que permitirán el intercambio de valores “frictionless”
  44. 44. ¿Preguntas? !

Notas del editor

  • https://whatsthebigdata.com/2016/05/14/buzzword-watch-whats-in-and-out-in-technology-2016/
  • https://whatsthebigdata.com/2016/05/14/buzzword-watch-whats-in-and-out-in-technology-2016/
  • https://bitcoinmagazine.com/articles/the-blockchain-developer-shortage-emerging-trends-and-perspectives-1477930838/
  • En esencia blockchain injecta confianza dentro de la red, quitando de en medio a los intermediarios y crear un ola disruptiva.

  • Metafóricamente, blockchains son la realmente la computadora que no se puede parar. Una vez que es instalada y puesta en marcha, ellos nunca serán detenidos y ofrecen una capacidad increible de adaptarse y recuperarse. Convertiéndose en una opción atractiva para ejecutar una nueva generación de aplicaciones con servicios descentralizados.
  • A blockchain — originally block chain — is a distributed database that maintains a continuously-growing list of ordered records called blocks. Each block contains a timestamp and a link to a previous block.
  • First, the blockchain has polymorphic characteristics; its application will result in a multiplicity of effects.
    Second, we shouldn’t ask ourselves what problems the blockchain solves, because that gives us a narrow view on its potential.
    Rather, we should imagine new opportunities, and tackle even more ambitious problems that cross organizational, regulatory and mental boundaries.
    Just as the Internet created new possibilities that we didn’t foresee in its early years, the blockchain will give rise to new business models and ideas that may still be invisible.
  • First, the blockchain has polymorphic characteristics; its application will result in a multiplicity of effects.
    Second, we shouldn’t ask ourselves what problems the blockchain solves, because that gives us a narrow view on its potential.
    Rather, we should imagine new opportunities, and tackle even more ambitious problems that cross organizational, regulatory and mental boundaries.
    Just as the Internet created new possibilities that we didn’t foresee in its early years, the blockchain will give rise to new business models and ideas that may still be invisible.
  • First, the blockchain has polymorphic characteristics; its application will result in a multiplicity of effects.
    Second, we shouldn’t ask ourselves what problems the blockchain solves, because that gives us a narrow view on its potential.
    Rather, we should imagine new opportunities, and tackle even more ambitious problems that cross organizational, regulatory and mental boundaries.
    Just as the Internet created new possibilities that we didn’t foresee in its early years, the blockchain will give rise to new business models and ideas that may still be invisible.
  • mlhttps://bitinfocharts.com/comparison/confirmationtime-btc.html#3m#3mps://bitinfocharts.com/comparison/confirmationtime-btc.html#3m
  • Blockchains are "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way
  • William Mougayar anticipates a future that consists of thousands, if not millions of blockchains that will enable not only frictionless value exchange, but also a new flow of value, redefining roles, relationships, power and governance.
  • It is cryptographically secure, but fundamentally open
  • By design blockchains are inherently resistant to modification of the data — once recorded, the data in a block cannot be altered retroactively
  • It allows for companies and individuals to collaborate with an unprecedented degree of trust and transparency
  • By design blockchains are inherently resistant to modification of the data — once recorded, the data in a block cannot be altered retroactively
  • First, the blockchain has polymorphic characteristics; its application will result in a multiplicity of effects.
    Second, we shouldn’t ask ourselves what problems the blockchain solves, because that gives us a narrow view on its potential.
    Rather, we should imagine new opportunities, and tackle even more ambitious problems that cross organizational, regulatory and mental boundaries.
    Just as the Internet created new possibilities that we didn’t foresee in its early years, the blockchain will give rise to new business models and ideas that may still be invisible.
  • First, the blockchain has polymorphic characteristics; its application will result in a multiplicity of effects.
    Second, we shouldn’t ask ourselves what problems the blockchain solves, because that gives us a narrow view on its potential.
    Rather, we should imagine new opportunities, and tackle even more ambitious problems that cross organizational, regulatory and mental boundaries.
    Just as the Internet created new possibilities that we didn’t foresee in its early years, the blockchain will give rise to new business models and ideas that may still be invisible.
  • First, the blockchain has polymorphic characteristics; its application will result in a multiplicity of effects.
    Second, we shouldn’t ask ourselves what problems the blockchain solves, because that gives us a narrow view on its potential.
    Rather, we should imagine new opportunities, and tackle even more ambitious problems that cross organizational, regulatory and mental boundaries.
    Just as the Internet created new possibilities that we didn’t foresee in its early years, the blockchain will give rise to new business models and ideas that may still be invisible.
  • By design blockchains are inherently resistant to modification of the data — once recorded, the data in a block cannot be altered retroactively
  • First, the blockchain has polymorphic characteristics; its application will result in a multiplicity of effects.
    Second, we shouldn’t ask ourselves what problems the blockchain solves, because that gives us a narrow view on its potential.
    Rather, we should imagine new opportunities, and tackle even more ambitious problems that cross organizational, regulatory and mental boundaries.
    Just as the Internet created new possibilities that we didn’t foresee in its early years, the blockchain will give rise to new business models and ideas that may still be invisible.
  • Crypto currency is "Blockchain 1.0" and smart contracts "Blockchain 2.0"
  • Crypto currency is "Blockchain 1.0" and smart contracts "Blockchain 2.0"
  • Crypto currency is "Blockchain 1.0" and smart contracts "Blockchain 2.0"
  • Crypto currency is "Blockchain 1.0" and smart contracts "Blockchain 2.0"
  • Crypto currency is "Blockchain 1.0" and smart contracts "Blockchain 2.0"
  • Crypto currency is "Blockchain 1.0" and smart contracts "Blockchain 2.0"
  • Crypto currency is "Blockchain 1.0" and smart contracts "Blockchain 2.0"
  • Crypto currency is "Blockchain 1.0" and smart contracts "Blockchain 2.0"
  • Crypto currency is "Blockchain 1.0" and smart contracts "Blockchain 2.0"
  • William Mougayar anticipates a future that consists of thousands, if not millions of blockchains that will enable not only frictionless value exchange, but also a new flow of value, redefining roles, relationships, power and governance.
  • William Mougayar anticipates a future that consists of thousands, if not millions of blockchains that will enable not only frictionless value exchange, but also a new flow of value, redefining roles, relationships, power and governance.

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