Build Your First Blockchain App Using Ethereum Smart Contracts and Solidity

Learn how to build a blockchain app using Etherium smart contracts in this full tutorial course for beginners. You will learn how to create a todo app with Etherium smart contracts using the Solidity programming language. You will also learn to write tests, deploy to the blockchain, and create a client-side application.

💻 Code:

🎥 Course created by Dapp University. Check out their YouTube channel:…


  1. thank you in advance for your perfect videos. Whenever I go to Bootcamp there is nothing there! just user name and email and then again nothing. I need to use the code there

  2. Why is it so important to have the same version of truffle as you? I got errors when I tried to install that particular version but could install the latest version ok.

  3. Cannot create package-lock.json file with npm install it is throwing error, may be some folder/filename is not existing now.Please help resolving this one.

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  5. Excellent video which pulls a lot of concepts together. Really needed this and feel my knowledge has supercharged forward!! Thankyou Greg -brilliant.

  6. If you can't update the code isn't that a security flaw? If someone finds a bug, it cannot be patched.

  7. Hy ! In toggleCompleted method, why I can't I access it directly by tasks[id].completed and then setting it to !tasks[id].completed ? What's the need of declaring it's datatype as 'Task' ?

  8. is it necessary or recommended to learn other code languages for example, python before learning blockchain programs

  9. Actually I am getting error in app.js file for the undefined TruffleContract, can you please help me out ??

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