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Erstellen Sie Ihre erste Blockchain-App mit Ethereum Smart Contracts und Solidity



In diesem vollständigen Tutorial-Kurs für Anfänger erfahren Sie, wie Sie mit Etherium-Smart-Verträgen eine Blockchain-App erstellen. Sie lernen, wie Sie mit Etherium-Smart-Verträgen mithilfe der Programmiersprache Solidity eine ToDo-App erstellen. Sie lernen auch, Tests zu schreiben, in der Blockchain bereitzustellen und eine clientseitige Anwendung zu erstellen.

💻 Code:

🎥 Kurs erstellt von der Dapp University. Schauen Sie sich ihren YouTube-Kanal an:
🔗 Dapp University kostenloses Blockchain-Entwicklertraining:
🔗 Ganzer Artikel:

⭐️ Kursinhalte ⭐️
⌨️ (0:06:34) Abhängigkeiten installieren
⌨️ (0:09:26) Projekteinrichtung
⌨️ (0:22:47) Aufgaben auflisten
⌨️ (1:05:07) Aufgaben erstellen
⌨️ (1:16:40) Aufgaben abschließen

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32 comments

  1. 👋 Thanks for watching! Join my FREE Blockchain Developer Training: http://www.dappuniversity.com/bootcamp

  2. great explanation especially for Dapp learners

  3. Thank you very much for the video. Much appreciated!

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

  5. 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' ?

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

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

  8. I loved this tutorial and shared it with all my colleagues and friends

  9. 🚀🔥💥🇩🇪 Smart-contract 🚀 Risk-free 🚀🚀🚀

  10. Did anyone actually follow the entire tutorial and finish this course?

  11. this tutorial is missing information on how to get localhost:7545 to appear in Metamask

  12. Hi , This video helped me lot as an entry point to learn smart contracts . But can you please explain about `string memory _content` can't i jut use ` string content`.

  13. Would be nice if he didn't assume we're all on mac or linux…. Im on a windows machine what is the equivalent to "touch package.json"

  14. focus more on teaching rather than displaying your own work. not a good lecture. things are not clear. definitely these lectures are not for beginners

  15. If app has 1000 active users every day from different countries around the world how much earn money?🤔

  16. You're also missing the big point here that's essential for beginners: context.
    Sure, smart contracts are cool, ethereum is a transaction-based state machine, the code is immutable by nature yadi yadi yada.
    But why would you NEED blockchain ? And I mean actually need, not the "hey, let's just use blockchain as a distributed db and interact with it on the client using web3 cause it's hype" kind of need.
    Here you're pretty much jumping straight on development. One thing I often like to say to beginners is "Coding is the easy part: understanding what you're building, how to break it up into smaller parts, why you're building it to start with on a higher level ,and why you're using the technologies you're using is key". Which this is 100% missing IMO.

  17. Not sure how I feel about seeing a course about Solidity on FCC.

    Sure, having an introduction is always fine and it's nice to introduce new concepts to your brain, but in the context of beginners, that means potentially introducing people with no design patterns knowledge or experience, in the DApps dev world.
    Now if you're a react dev it's fine, just learn about things on the spot as you progress in your career, no big implication.
    Now with Solidity, a bad design can have security implications with big financial consequences. It's not the most robust language either, to say the least.

  18. Forget this how to create that jawline

  19. I `ve been following your videos for a while. Very professional and easy to follow. The only thing I recommend is to pinpoint the possible issues that might happen during the contract writing (e.g. "keccak compilation fail " or "truffle has not been deployed to" issue.).That alone will give extra credit.

  20. Fire my friend. Straight fire!

  21. Hi loving the course, I really want to know how your terminal looks so nice

  22. Помнишь, ты рассказывал про Cryptoda? Так вот, я попользоваться ей. Очень удобная и простая в использовании платформа по обмену криптовалют с самыми низкими курсами. Пользуйтесь, не пожалеете!

  23. How it looks when you fen for data

  24. hey,can you do one using hyperledger?.Thanks man

  25. Can u please make some tutorial videos on hyperledger.

  26. freeCodeCamp.org, the description link for "Dapp University Free Blockchain Developer Training" is missing a "t" in the bootcamp part of the URL. It should read as follows: http://www.dappuniversity.com/bootcamp

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