How to Build a Crowd Sale (ICO) App in Ethereum Blockchain

Here we will setup a Mist Wallet & Visual Studio as well as Sublime Text for deploying, writing & highlight the source code.

In this lecture we will create the Virtual Token That we will transfer in exchange of the Investment or sale. Ethereum Blockchain will help us tracking the ownership of the Virtual token to track the investment or sale.

Here we will continue the previous lecture by completing the Token creation.

Here In this lecture we will create the basic crowd sale application by defining the state variables, Modifiers, Events etc.

In this lecture we will complete the the basic crowd sale application from scratch.

In this lecture we will write the most important function Contribute  through which funders will be able to contribute to the crowd sale. 

Here we will define the refund function through which contributors will be able to claim the refund in case the funding is unsuccessful.

Here we will write the function to check if the funding is successful or not and if successful then initiate the payout to the beneficiary. 

Here we will execute the token first and get it's address. This token will be issued to the funders for their contribution or purchase.

Here we will execute the main crowd sale application and execute the contribute function 3 times to mark a successful crowd sale. We will see how the GDX tokens & ethers will be reflected in the wallet of the contributor, crowd sale & beneficiary's account.

Here we will see where to go next from here.