Decentralized Application Demo

Guide:

1. npm install
2. npm install -g ethereumjs-testrpc
3. npm install -g truffle
4. testrpc
5. truffle migrate
6. npm run dev

Notes:

If you want to change smart contract, you have to run "truffle migrate --reset" on local. Because Blockchain is not be changed. Every times you update your smart contract, you have to make a copy old address and old values.