JavaScript Meets The Blockchain

Introduction to Ethereum, Smart Contracts and JavaScript

Transcript

1. JavaScript ! The Blockchain JS ! The Blockchain - @ianaya89 1
2. Nacho Anaya @ianaya89 • Full Stack Developer @BloqInc • Speaker • Embajador @Auth0 • Organizador @Vuenos_Aires JS ! The Blockchain - @ianaya89 2
3. ❌ NO! • Experto Blockchain • Experto en Criptografia • Cryptocurrencies & ICO's JS ! The Blockchain - @ianaya89 3
4. !" JS ! The Blockchain - @ianaya89 4
5. JS ! The Blockchain - @ianaya89 5
6. JS ! The Blockchain - @ianaya89 6
7. ! Teoría JS ! The Blockchain - @ianaya89 7
8. Blockchain != Cryptocurrency JS ! The Blockchain - @ianaya89 8
9. !⛓ Blockchain => Base de Datos Distribuida JS ! The Blockchain - @ianaya89 9
10. ! Hash => Función Criptográfica Irreversible hash(' ! ') // d2d4e9ddd66e9ce4ee288aea24a345de hash(' " ') // 23622db6154ea91d793647c9bd990824 JS ! The Blockchain - @ianaya89 10
11. JS ! The Blockchain - @ianaya89 11
12. ! Ventajas • 100% confiable • Publica, accesible y trackeable • Inmutable JS ! The Blockchain - @ianaya89 12
13. ! Desventajas • Can%dad Recursos • !Ecofriendly JS ! The Blockchain - @ianaya89 13
14. Ethereum => Descentralizacion de Internet JS ! The Blockchain - @ianaya89 14
15. Ethereum != Ether JS ! The Blockchain - @ianaya89 15
16. ! ↔ # ↔ P2P => Red de Pares JS ! The Blockchain - @ianaya89 16
17. ! Nodos => Par de la red JS ! The Blockchain - @ianaya89 17
18. ! Keys => Privada, Pública, Direcciones JS ! The Blockchain - @ianaya89 18
19. ! Wallet => Almacén de Claves JS ! The Blockchain - @ianaya89 19
20. ! EVM => Motor de Ethereum JS ! The Blockchain - @ianaya89 20
21. ! PoW => Algoritmo de Consenso JS ! The Blockchain - @ianaya89 21
22. ⛏ Mineros => Nodos Procesando Bloques JS ! The Blockchain - @ianaya89 22
23. ! Ether => Crypto Moneda (ETH) JS ! The Blockchain - @ianaya89 23
24. ! Gas => Costo de Procesamiento JS ! The Blockchain - @ianaya89 24
25. ! Smart Contracts => So&ware / Aplicaciones pragma solidity ^0.4.21; contract HelloCoin { mapping (address => uint) public balance; function mint (address receiver, uint amount) public returns(uint) { balance[receiver] += amount; return balance[receiver]; } } JS ! The Blockchain - @ianaya89 25
26. ! DApp => UI sobre Smart Contracts JS ! The Blockchain - @ianaya89 26
27. ! Prác&ca JS ! The Blockchain - @ianaya89 27
28. ! Cliente • geth • parity • ganache-cli JS ! The Blockchain - @ianaya89 28
29. ! Network • Main • Test (Ropsten, Kovan, Rinkeby) • Privadas • Local JS ! The Blockchain - @ianaya89 29
30. ! ganache-cli $ npm i -g ganache-cli $ ganache-cli github.com/trufflesuite/ganache-cli JS ! The Blockchain - @ianaya89 30
31. ! Solidity => Lenguaje Smart Contracts remix.ethereum.org JS ! The Blockchain - @ianaya89 31
32. ! Truffle => Development Framework $ npm i -g truffle $ truffle init $ truffle compile $ truffle migrate JS ! The Blockchain - @ianaya89 32
33. ! Web3 => Libreria JS para Ethereum const Web3 = require('web3') const web3 = new Web3('http://localhost:8545') JS ! The Blockchain - @ianaya89 33
34. ! Demo JS ! The Blockchain - @ianaya89 34
35. ! Más! JS ! The Blockchain - @ianaya89 35
36. ! MetaMask => Chrome App metamask.io JS ! The Blockchain - @ianaya89 36
37. ! EthereumJS => Herramientas JS para Ethereum ethereumjs.github.io JS ! The Blockchain - @ianaya89 37
38. ! Proyectos • cryptoKi*es.io • fishbank.io • ponzicoin.co • metronome.io • decentraland.org JS ! The Blockchain - @ianaya89 38
39. ! Gracias! @ianaya89 bit.ly/js-meets-blockchain bit.ly/js-meets-blockchain-demo JS ! The Blockchain - @ianaya89 39