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defend-my-castle

A game made using the PyGame library in python

dmc-sugar-activity

ebbnet

Decentralised Dynamic Stream of Multidimensional Money Markets powered by Verified Delay Functions

ecrecover-example

energy-trade-contracts

Solidity contracts to demonstrate energy trade (PwC project)

eslint

Find and fix problems in your JavaScript code.

eth-dev-101

Examples for getting started as an Ethereum web developer

eth-india

eth-ipfs

etherum + ipfs + react

ethcoursefiles

etherbeat

With the growing popularity of BitCoin in the last couple of years, other blockchains have been in development for solving various problems that need distributed consensus. Ethereum blockchain is one example, that gives users to develop "smart contracts" that runs in the blockchain. This gives the ability to develop decentralized applications (or dApps). Users do not need to 'trust' anything or anybody. In addition to that, dApps are always available and will be guaranteed to be available in the future as well. Also, it is resistant to traditional attacks such as DDoS. This framework has given many developers to write a decentralized application without much effort, without needing distributed systems or cryptography knowledge. Many startups are actively developing applications for Ethereum such as Ethereum Name Service (ENS), Etheria or WeiFund. Unfortunately, because the technology being used is bleeding edge it is inevitable that attacks or hacks will target these apps for monetary reasons. Last year DAO suffered a severe attack because of its security flaws. Due to that attack, 3.6m ether was stolen from DAO's smart contract. Also, once you publish a smart contract in Ethereum it is not possible to modify or update it as a regular web application. Thus, even developers identify a critical bug in the contract it is not possible to push a bugfix in a straightforward way. Thus, in order to fill the gap of not having a proper 'smart contract' compatible monitoring service, we propose to build a web application that can monitor other smart contracts in Ethereum and give the capability to safeguard it's critical functions (Ether send and receive) and interact and visualize with smart contract functions in a much simpler way. Also depending smart contracts can using our base smart contracts to gain the advantage of having 'circuit-breaker' which will pause the activity if things go wrong in an unexpected way.

ethereum-customer-loyalty-program

Customer loyalty program built on Ethereum

ethereum-smart-meter

Securing smart meters/ energy meters using Ethereum and smart contracts. (Award winning project at the India DappFest )

ethereumcasts

Companion repo to an Ethereum/Solidity course on Udemy

exchange-wrappers

💱🍬Collection of exchange wrapper contracts used by the dYdX Protocol

fabric

Read-only mirror of https://gerrit.hyperledger.org/r/#/admin/projects/fabric

fabric-samples

Read-only mirror of https://gerrit.hyperledger.org/r/#/admin/projects/fabric-samples

folder-sync

fusionledgers

EPIC Knowledge Society Repository for Building Fusion Ledgers using AI, Analytics, Blockchain, Big Data, Cloud, Cryptography, Cybersecurity, Data Science, IOT and Quantum Computing

go-ethereum

Official Go implementation of the Ethereum protocol

hacktoberfest

Learn Github

hacktoberfest-2

Happy Hacktober! Make your first PR ~ A beginner friendly repository made specifically for Hacktoberfest. Add any program under any language (it can be anything from a hello-world program to a complex data structure algorithm) or update the existing one. Just make sure you add the program under the correct language directory.

hacktoberfest-data-structure-and-algorithms

A repo to contains data structure s and algorithms, regardless of language.

hardhat-starter-kit

A repo for boilerplate code for testing, deploying, and shipping chainlink solidity code.

hardhat-upgrades-example

hashed-timelock-contract-ethereum

Hashed Timelock Contracts for ETH and ERC20 on Ethereum

healthcare-insurance-ethereum

Medical insurance claiming DApp which uses a Multi-Sig approach to grant claim (ConsenSys project)

hello-github

:octocat: Introduction to Git and Github Workshop for https://devahoy.com

hsa

iamdinosaur

A simple artificial inteligence to teach Google's Dinosaur to jump cactus