A 'helloworld' project on Ethereum and Solidity
web3.js: https://web3js.readthedocs.io/en/1.0/web3-eth-contract.html#methods-mymethod-send
A 'helloworld' project on Ethereum and Solidity
web3.js: https://web3js.readthedocs.io/en/1.0/web3-eth-contract.html#methods-mymethod-send