The document discusses blockchain technology, smart contracts, and Azure. It provides an overview of blockchain as a distributed database that records transactions in blocks that are digitally signed. Blockchain solves issues with centralized systems like banks by allowing for validation across a network without intermediaries. Examples of blockchain applications mentioned include cryptocurrency, proof of ownership, supply chain management, and IoT. The document also discusses how smart contracts can automate transactions through code and outlines some non-monetary uses like property records. Finally, it notes that Microsoft Azure provides tools to build blockchain applications.

1. June 29th, 30th & July 1st 2017.NET Conf AR v2017
Blockchain, Smart
Contracts y Azure
Leonardo Micheloni

2. June 29th, 30th & July 1st 2017.NET Conf AR v2017
Confianza
• Antes era simple
• Dinero
• Bancos
• Globalización

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Terceros
• Bancos
• Paypal
• Ebay

4. June 29th, 30th & July 1st 2017.NET Conf AR v2017
Problemas
• Centralizada
• Seguridad basada en ocultación
• Imposibilidad de validación cruzada
• Tiene un costo
• No todo el mundo puede acceder
• No podemos ser parte de la red

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2008 / 2009
• Colapso
• Salvataje de los bancos
• Satoshi Nakamoto

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Blockchain
• Base de datos distribuida
• Pública
• Anónima
• Histórica
• Transacciones organizadas en bloques
• Firmadas digitalmente
• Bitcoin es una aplicación de tantas

8. June 29th, 30th & July 1st 2017.NET Conf AR v2017
¿Se imagina un mundo
sin intermediarios?

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¿Cómo funciona? https://anders.com/blockchain/hash.html

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Aplicaciones
• Moneda
• Namecoin
• Prueba de existencia
• IoT
• Origen de bienes
• Prueba de propiedad
• Bancaria
• Financiera
• Cadena de valor
• IoT
• Salud

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2013-2015

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Smart Contracts
• Código en lugar de información
• El computador más grande del mundo
• Contractos
• Address
• Balance
• Estado

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Moneda

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Otras aplicaciones
• Registros catastrales
• Venta directa de música
• Apuestas
• Uber
• Crowfounding
• Voto electrónico
• Seguros
• Organizaciones autónomas

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Azure

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Azure

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Demo

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¿Preguntas?
• Leonardo Micheloni
• @leomicheloni
• leomicheloni@hotmail.com
• http://leomicheloni.com

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Referencias
• http://www.rsk.co/
• https://www.youtube.com/watch?v=li3rfBAP_fE
• https://www.youtube.com/watch?v=G3psxs3gyf8
• http://solidity.readthedocs.io/en/develop/solidity-by-example.html#