From e13c0dd5e37f8931c53796a91a4d2dbfee11e571 Mon Sep 17 00:00:00 2001 From: Dipak Yadav Date: Thu, 15 Nov 2018 21:49:09 +0530 Subject: [PATCH] Updated index.md (#21728) Added section for technologies used to write smart contracts in Ethereum and Hyperledger. --- guide/english/blockchain/smart-contracts/index.md | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/guide/english/blockchain/smart-contracts/index.md b/guide/english/blockchain/smart-contracts/index.md index 0d9097b6ea..625def6335 100644 --- a/guide/english/blockchain/smart-contracts/index.md +++ b/guide/english/blockchain/smart-contracts/index.md @@ -2,23 +2,25 @@ title: Smart Contracts --- ## Smart Contracts - Cryptocurrency transactions that occur on a blockchain are an example of a very basic contract: one party sends money to another. However, blockchains also have the potential to manage and execute more complicated contracts. On the Ethereum blockchain, for example, one can utilize _smart contracts_ — blocks of code that only execute when their conditions are met. Smart contracts are Turing-Complete and as decentralized as the monetary transactions that occur on the blockchain. The combination of decentralized programs and money make for interesting possibilities. As a piece of code that sits on the blockchain, a smart contract can automate tasks in a decentralized and transparent manner. Examples of this include managing the process of recieving and distributing micro-payments for viewing ads (such as with the Basic Attention Token) and managing buy/sell order books for exchanges transparently (such as with the 0x project). ## Applications of Smart Contacts - Smart Contracts allows the transfer of goods and services without the need for a independent third party. Logic and rules are built into the smart contract that define the permissions and processes associated with a particular agreement and enforce the obligations attached to it. This provides an opportunity to remove middlemen that are traditionally required to interact with physical property or financial service instruments. ## Blockchain Technologies - -Two of the most common technologies used are : +Two of the most common technologies used are: - Ethereum: generally made with Solidity - Hyperledger: generally made with Go, or Java -## Hello World Smart Contract +### Smart Contracts in Ethereum +Smart contracts in ethereum are written using Solidity, its a high-level, contract-oriented programmng language, and targets Ethereum Virtual Machine, one can use Remix online IDE to try writting and deploying smart contracts +### Smart Contracts in Hyperledger +Smart contracts in Hyperledger is called chaincode, and is written in Golang programming language. + +## Hello World Smart Contract ```solidity pragma solidity ^0.4.24; contract Hello {