Upgradeable smart contracts on Ethereum

A smartcontract Dapp with a web based UI that keeps track of contract data by adding it into blocks to be mined on a test network.

Ethereum Home Bills smart contract, featuring Solidity, Truffle and Mocha+Chai

Ethereum demo application with full browser keypair support

http://truffleframework.com/tutorials/pet-shop with some enhancements and additional comments

ICO smart contract on ethereum testnet using truffle framework

SmartSpace, a blockchain solution for short-term rental of empty spaces (parking, apartment, office space, etc).

A decentralized currency - using Ethereum - for the employees of Digipolis. Coins never tasted better!

A Pet Shop built on the Ethereum blockchain

TutorialToken for the OpenZeppelin smart contract framework.

TRIO smartcontracts

A Smart Contract Example for Intergalactic Betting

Source code for online course to build "Chatwei-Lite"

A simple repository highlighting the usage of web3 to interact with blockchain

A toy lottery program built using an Ethereum smart contract.

DNN's Token, Pre-TDE, and TDE contracts

Blockchain based gambling, betting smart contracts