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Smart Contracts Quick Intro

This is a short (1 hour 😱) workshop that will be a very quick intro in smart contracts.

  • We will be using Ethereum / Solidity
  • The online code editor Remix Ethereum (https://remix.ethereum.org/), no need to download anything!

Questions:

  • Who has worked with Ethereum/ solidity before ?
  • Who has worked with Javascript or another programing language?
  • Who owns ETH?

What is Ethereum?

  • An open source public blockchain
  • Intial release 30 July 2015
  • There is an Ethereum network and an Ethereum crypto currency
  • Allows programmable smart contracts on a blockchain
  • Developers can build DAPP’s (decentralised apps)
  • Killer apps - ICO’s and crypto kitties 🐱

Ethereum is a public network of nodes.

These nodes store and transfer data. This network is open and anyone can connect. Ethereum Nodes

Developers can connect to the network using web3.js and consumers can connect to DAPP's on the ethereum network using Mist browser or Metamask Connecting to the Ethereum Network

What is a smart contract?

  • Sits on a blockchain
  • Can process if /then logic